2BU7G-K2Space Capsule Mini Speaker

User Manual Product Model: K2 Product Specifications Button Function Instructions Button No. Button Name and Function Description 1.Power/Pause Button Long press to turn on/off; single click to pause playback, click again to resume; during a call, short press to answer, short press again to hang up. 2.Light Button Single click to switch light modes; double click to turn off the light; long press to enter TWS mode (pairing function). 3.Minus Button Single click for previous track; long press to decrease volume. 4.Plus Button Single click for next track; long press to increase volume. (Note: The button numbers correspond to the labeled positions 1-4 in the product image.) FCC Warning This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any inte rference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could Item Details Product Name Space Capsule Mini Speaker Product Model K2 Charging Port Type-C Playback T ime 6 hours Bluetooth Version 5.4 Bluetooth Range Over 10 meters Product Dimensions 79×74×46mm Battery Capacity 3.7V/1000mAh Speaker Size 45mm void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interferenceto radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BU7G-K2 K2 We, Applicant Company Name: Guangxi Ruidafeng Electronic Technology Co., Limited Address: No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region 533000, China Phone: +86-15977943678 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-03-26 Signature Date Name / Title: Xiaomin Zheng / Warehouse Keeper Company: Guangxi Ruidafeng Electronic Technology Co., Limited Address: No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region 533000, China Phone: +86-15977943678 Fax: +86-15977943678 E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BU7G-K2 K2 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen LCS Compliance Testing Laboratory Ltd. Contact Name: Martion Lee Address: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Phone: +86-755-82591330 Email: [email protected] Signature: Date: 2026-03-20

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BU7G-K2 K2 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-03-26 Signature Date Name / Title: Xiaomin Zheng / Warehouse Keeper Company: Guangxi Ruidafeng Electronic Technology Co., Limited Address: No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region 533000, China Phone: +86-15977943678 Fax: +86-15977943678 E-Mail: [email protected]

Page 1 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com External Photos of the EUT Fig. 1 Fig. 2 Page 2 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 3 Fig. 4 Page 3 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 5 Fig. 6 Page 4 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 7 Fig. 8 Page 5 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 9 Fig. 10 Page 6 of 6 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 11 Fig. 12

Page 1 of 1 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com LABEL AND LOCATION (Size: L 2.0cm x W 1.0cm) Label Location Space Capsule Mini Speaker Model: K2 FCC ID:2BU7G-K2

Page 1 of 5 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 5 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 3 Fig. 4 Page 3 of 5 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 5 Fig. 6 Page 4 of 5 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 7 Fig. 8 BT ANT Page 5 of 5 FCC ID:2BU7G-K2 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 9 Fig. 10

Page 1 of 8 FCC ID:2BU7G-K2 Report No.: LCSC03046010EB Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation FOR Guangxi Ruidafeng Electronic Technology Co., Limited Space Capsule Mini Speaker Test Model: K2 Prepared for : Guangxi Ruidafeng Electronic Technology Co., Limited Address : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Prepared by : Guangzhou LCS Compliance Testing Laboratory Ltd. Address : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel : (+86) 020-39166689 Fax : (+86) 020-39166619 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : March 10, 2026 Number of tested samples : 2 Sample No. ： C260310001-1, C260310001-2 Serial number : Prototype Date of Test : March 10, 2026 ~ March 19, 2026 Date of Report : March 20, 2026 Page 2 of 8 FCC ID:2BU7G-K2 Report No.: LCSC03046010EB Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation Report Reference No. ................. : LCSC03046010EB Date of Issue ................................... : March 20, 2026 Testing Laboratory Name ............ : Guangzhou LCS Compliance Testing Laboratory Ltd. Address ........................................... : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Testing Location/ Procedure .......... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name.......................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address ........................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Test Specification Standard ......................................... : FCC KDB publication 447498 D01 General RF Exposure Guidance v06 FCC CFR 47 part1 1.1310 FCC CFR 47 part2 2.1093 Test Report Form No. ..................... : TRF-4-E-215 A/0 TRF Originator ................................ : Guangzhou LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Guangzhou LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Guangzhou LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Guangzhou LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Space Capsule Mini Speaker Trade Mark ..................................... : N/A Test Model ...................................... : K2 Ratings ............................................ : Please Refer to Page 6 Result ........................................... : PASS Compiled by: Supervised by: Approved by: Lifeng Le / Administrator Justin Zhu/ Technique Director Gavin Liang/ Manager Page 3 of 8 FCC ID:2BU7G-K2 Report No.: LCSC03046010EB Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com RF Exposure Evaluation Test Result PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSC03046010EB March 20, 2026 Date of issue Test Model.............................. : K2 EUT......................................... : Space Capsule Mini Speaker Applicant............................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : Fax.......................................... : Factory................................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : / Fax.......................................... : / Page 4 of 8 FCC ID:2BU7G-K2 Report No.: LCSC03046010EB Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Revision History Report Version Issue Date Revision Content Revised By 000 March 20, 2026 Initial Issue --- Page 5 of 8 FCC ID:2BU7G-K2 Report No.: LCSC03046010EB Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com TABLE OF CONTENTS Description Page 1. PRODUCT INFORMATION ......................................................................................…

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Page 1 of 37 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com FCC TEST REPORT FOR Guangxi Ruidafeng Electronic Technology Co., Limited Space Capsule Mini Speaker Test Model: K2 Prepared for : Guangxi Ruidafeng Electronic Technology Co., Limited Address : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Prepared by : Guangzhou LCS Compliance Testing Laboratory Ltd. Address : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel : (+86) 020-39166689 Fax : (+86) 020-39166619 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : March 10, 2026 Number of tested samples : 2 Sample No. ： C260310001-1, C260310001-2 Serial number : Prototype Date of Test : March 10, 2026 ~ March 19, 2026 Date of Report : March 20, 2026 Page 2 of 37 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCSC03046010EA Date of Issue ................................... : March 20, 2026 Testing Laboratory Name ............ : Guangzhou LCS Compliance Testing Laboratory Ltd. Address ........................................... : No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address ........................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Test Specification Standard.......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No. ..................... : TRF-4-E-148 A/0 TRF Originator ................................ : Guangzhou LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Guangzhou LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Guangzhou LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Guangzhou LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Space Capsule Mini Speaker Trade Mark ...................................... : N/A Test Model ...................................... : K2 Ratings ............................................ : Please Refer to Page 6 Result ........................................... : PASS Compiled by: Supervised by: Approved by: Lifeng Le / Administrator Justin Zhu/ Technique Director Gavin Liang/ Manager Page 3 of 37 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com FCC -- TEST REPORT Test Result PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSC03046010EA March 20, 2026 Date of issue Test Model.............................. : K2 EUT......................................... : Space Capsule Mini Speaker Applicant............................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : Fax.......................................... : Factory................................... : Guangxi Ruidafeng Electronic Technology Co., Limited Address................................... : No. 30, Plot E, East Side of Bizaoshan, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, China Telephone............................... : / Fax.......................................... : / Page 4 of 37 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Revision History Report Version Issue Date Revision Content Revised By 000 March 20, 2026 Initial Issue --- Page 5 of 37 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com TABLE OF CONTENTS Description Page 1. GENERAL INFORMATION ............................................................................................. 6 1.1 Description of Device (EUT) ....................…

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2.4GHz3216ChipAntenna:RANT3216F245X02 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F245X02 (A)(B)(C)(D)(E)(F) ElectricalSpecification ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=02 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20±0.20 W 1.60±0.20 T 0.45±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. 7/F,BuildingF,ZhichuangPark,Tong'an,Gushu,Shenzhen  2.4GHz3216ChipAntenna:RANT3216F245X02 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation X Y Z 2.4GHz3216ChipAntenna:RANT3216F245X02 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 2.4GHz3216ChipAntenna:RANT3216F245X02 _ ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz3216ChipAntenna:RANT3216F245X02 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic

Page 1 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Appendix A RF Test Data for BT (Conducted Measurement) Product Name: Space Capsule Mini Speaker Test Model: K2 Environmental Conditions Temperature: 23.8C Relative Humidity: 52.6% ATM Pressure: 100.0 kPa Test Engineer: Zhao Xing Hai Supervised by: Fengliu Tang Page 2 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.1 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.921 2401.559 2402.480 --- --- 2441 0.927 2440.556 2441.483 --- --- 2480 0.927 2479.553 2480.480 --- --- 2DH5 Ant1 2402 1.287 2401.385 2402.672 --- --- 2441 1.317 2440.355 2441.672 --- --- 2480 1.287 2479.379 2480.666 --- --- 3DH5 Ant1 2402 1.302 2401.364 2402.666 --- --- 2441 1.302 2440.358 2441.660 --- --- 2480 1.293 2479.364 2480.657 --- --- Page 3 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 4 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2402 2DH5_Ant1_2441 Page 5 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 Page 6 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com 3DH5_Ant1_2480 Page 7 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com A.2 Maximum Peak conducted output power Test Result Peak Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 1.58 ≤30 PASS 2441 1.35 ≤30 PASS 2480 1.13 ≤30 PASS 2DH5 Ant1 2402 3.63 ≤30 PASS 2441 3.54 ≤30 PASS 2480 3.26 ≤30 PASS 3DH5 Ant1 2402 4.18 ≤30 PASS 2441 3.83 ≤30 PASS 2480 3.67 ≤30 PASS Page 8 of 54 FCC ID:2BU7G-K2 Report No.: LCSC03046010EA Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page 9 of 54 FCC ID:2BU7G-K2 Report…

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