
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Pair the wireless earbuds with your mobile device Reconnect the wireless earbuds to your mobile device Disconnect the wireless earbuds from your mobile device Power off the wireless earbuds; or Switch off the Bluetooth on your mobile phone; or Leave the earbuds 60ft away from your mobile phone or further. Answer / Reject a call End a call Functions Charging your Earbuds If the wireless earbuds cannot be paired with your device, please try the following: Ensure that your earbuds are in pairing mode or reconnection mode Ensure that Bluetooth search function of your mobile device is activated. If the wireless earbuds will not turn on: Make sure the earbuds are fully charged. Make sure the protective stickers are removed from the Earbuds Can I change the battery for the earbuds and the charging case? The wireless earbuds and the charging case use a built-in non-detachable battery which cannot be removed. If the charging case cannot be recharged: If you use a power outlet, ensure that the power supply is connected securely and the outlet works. If you use a computer, ensure that it is connected and the USB port is powered. FAQ Product OverviewPower On/Off -The input voltage to the product is 5V 1A. -In order to charge the product in safe manner and reliable conditions, please only adopt certified appropriate charger/ adapter for charging the product. -Only charge the product at ambient temperatures between 10 deg °C/ 50 deg °F and 40 deg °C/104 deg °F. - Do not heat above 70 deg °C/158 deg °F, eg. Do not expose to sunlight or throw into fire. -Switch off the product after use. -Please note that we won’t take any responsibility for any wrong operation (eg. Voltage higher than 5V) as this may result in severe injury or loss of property, and we cannot control the operating process during the time the user using this product. -In extreme cases, abuse or misuse of Lithium battery pack can lead to explosion, heat generation, fire development or smoke development. Safety instructions for the lithium battery and charging the product When powered on, the wireless earbuds will automatically connect with the last successfully paired device. Specifications FCC STATEMENT 1. 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. (2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could 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 interference to 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. RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC ID2ADM5-EP-0680 Keep all relevant information for future reference Thank you for purchasing the STARDUST True Wireless Earbuds. This manual provides more information about the wireless earbuds, please read the instructions before using. INSTRUCTION MANUAL Package Contents STARDUST True Wireless Earbuds Portable Charging Case 1. LED Indicator 2. Touch Control Area On/Off, Play/Pause Music Answer/End Call 3. Charging LED Indicator 4. Micro USB Charging Port 1. Open the charging case cover. 2. Remove the protective stickers between earbuds and charging case. 3. Insert the Earbuds into the charging case. 4. The earbuds will start the charge automatically. 5. LED indicator light of the Earbuds will be turned on when charging. 6. Once fully charged, the LED will be off. Recharge Charging Case NOTE: • You must select a qualified charger from a regular manufacturer. • You must charge the charging case and earbuds if it has been not used for more than 6 months. 1. Use the Micro USB charging cable provided with the packaging. 2. Connect the Micro USB plug to Micro USB charging port on the charging case, then connect the USB plug to a USB port on a computer or wall adapter to begin charging. 3. The Red LED on the charging case will be on during charge. 4. Once fully charged, the Red LED will be off. 5. The Blue LED will be on during earbuds is charging and will be off after fully charged. For your safety, please always use appropriate 5V output charger/Adapter to charge the product. DO NOT USE Quick Charging USB Adapter to charge the product, as it might damage the product. Driver Diameter: 10 mm Impedance: 32 Ohms Frequency Response: 20 Hz - 20 KHz Sensitivity: 98 dB +/- 3 dB Power Supply: Li-ion Battery 3.7V 35 mAh Per Earbud Playtime: 10 Hours Charging Time: <2 Hours Bluetooth Range: 32.8 Feet Charging Case Battery Capacity: 500 mAh Micro USB Charging Cable Included *Remove the protective stickers before using* Protective Stickers ( on the back side ) 2 1(One) Pair Earbuds / 0.74 in. x 0.67 in. x 1.46 in. (1.7 cm x 1.89 cm x 3.7 cm) each 1(One) Portable Charging Case 2.60 in. x 2.60 in. x 1.08 in. (6.6 cm …
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APPLICATION DIAGRAM Bluetooth CPU Clock PLL26M Touch KEYDSP ENGINE PMU Memory DAC&PA ADC 2402-2480MHz AB5616E
Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 1 of 6 External Photos Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 2 of 6 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 3 of 6 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 4 of 6 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 5 of 6 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF External Photos Page 6 of 6
FCC ID: 2ADM5-EP-0680 Batch: ZE120522 Input: DC5V/1A Battery Capacity(Earbuds): Li-ion 3.7V 35mAh Battery Capacity(Charging Case): Li-ion 3.7V 500mAh Made in China FCC ID: 2ADM5-EP-0680 Batch: ZE121322 Input: DC5V/1A Battery Capacity(Earbuds): Li-ion 3.7V 35mAh Battery Capacity(Charging Case): Li-ion 3.7V 500mAh Made in China FCC ID: 2ADM5-EP-0680 Batch: ZE122022 Input: DC5V/1A Battery Capacity(Earbuds): Li-ion 3.7V 35mAh Battery Capacity(Charging Case): Li-ion 3.7V 500mAh Made in China FCC ID: 2ADM5-EP-0680 Batch: ZE011623 Input: DC5V/1A Battery Capacity(Earbuds): Li-ion 3.7V 35mAh Battery Capacity(Charging Case): Li-ion 3.7V 500mAh Made in China PO#5196: ZE120522 PO#5257: ZE121322 PO#5202: ZE122022 PO#5225: ZE011623 FCC ID: 2ADM5-EP-0680 Batch: ZE120522 Input: DC5V/1A Battery Capacity(Earbuds): Li-ion 3.7V 35mAh Battery Capacity(Charging Case): Li-ion 3.7V 500mAh Made in China
Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Internal Photos Page 1 of 5 Internal Photos Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Internal Photos Page 2 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Internal Photos Page 3 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Internal Photos Page 4 of 5 BT Antenna Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Internal Photos Page 5 of 5
AB5616E 26MHz CircuitDescription 1.Battery(3.7V)providesenergyfortheBluetoothchip( ) ;Crystal oscillator()providestheclocksignalfortheBluetoothchip.Bluetoothsignals getthroughamatchingcircuit,andthentransmittedtothespacethroughthe antenna (2402MHz‐2480MHz) .Whentheproductisconnected,theproductcanbe intwo‐waycommunicationwithotherBluetoothdevices,andthenthedevice's BluetoothmodulesendsBluetoothsignalsintospace,theproductreceivesthe Bluetoothsignalthroughanantenna,transmissiontotheBluetoothchipvia matchingcircuit. modulation Technique
Shenzhen Accurate Technology Co., Ltd. Report No.: RA221108-52275E-RF Version 11: 2021-11-09 Page 10 of 59 FCC-BT FCC§15.247 (i), §1.1307 (b) & §2.1093 – RF EXPOSURE Applicable Standard According to FCC §2.1093 and §1.1307(b), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D04 Interim General RF Exposure Guidance v01, clause 2.1.2 – 1- mW test Exemption: Per § 1.1307(b)(3)(i)(A), a single RF source is exempt RF device (from the requirement to show data demonstrating compliance to RF exposure limits, as previously mentioned) if the available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption applies to all operating configurations and exposure conditions, for the frequency range 100 kHz to 100 GHz, regardless of fixed, mobile, or portable device exposure conditions. This is a standalone exemption, and it cannot be applied in conjunction with any other test exemption. Test Result For worst case: Mode Frequency Maximum Tune-up Conducted Power 1-mW test Exemption (MHz) (dBm) (mW) BDR/EDR 2402-2480 -3 0.5 Yes Note: The tune-up power was declared by the applicant. Result: Compliant.
ANT Model: Manufacture:Shenzhen Bluetrum Technology Co., Ltd FreqEffiEffiGainGainUHISDHISMaxMin Directivity Beamwidth AttH AttV (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)(dBi) (3dB) (dB) (dB) 240031.41-5.03 -0.05-2.200-0.05 -14.845.030 47.36 46.86 241029.14-5.36 -0.34-2.4900-0.34 -14.415.360 47.4 46.9 242025.66-5.91 -0.89-3.0400-0.89 -16.785.910 47.28 46.76 243028.02-5.53 -0.57-2.7200-0.57-19.45.530 47.35 46.78 244023.53-6.28 -1.35-3.500-1.35 -23.376.280 47.15 46.65 245025.01-6.02 -1.09-3.2400-1.09 -25.316.020 47.33 46.85 246026.28-5.8 -0.89-3.0400-0.89 -20.875.80 47.72 47.22 247018.57-7.31 -2.25-4.400-2.25 -18.547.310 47.36 46.93 248021.2-6.74 -1.49-3.6400-1.49 -20.186.740 47.56 47.1 249017.74-7.51 -2.17-4.3200-2.17 -24.057.510 47.05 46.67 250017.73-7.51 -2.15-4.300-2.15 -23.727.510 47.01 46.63 Passive Test For BT AdditionalInfor NULL F3216 Address: Building A, Wisdom Plaza, o.4068 Qiaoxiang Road, Gaofa Community, Shahe Street, Nanshan District, Shenzhen,China Antenna Max. Peak Gain :-0.05 Application Information O4Version5.245.351 TotalTime4m 17s 934ms
Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 11: 2021-11-09 Page 1 of 59 FCC-BT TEST REPORT Applicant Name : Zeeva International Limited Address : Suite 1007B, 10th Floor, Exchange Tower, 33 Wang Chiu Road, Kowloon Bay, Hong Kong Report Number : RA221108-52275E-RF FCC ID: 2ADM5-EP-0680 Test Standard (s) FCC PART 15.247 Sample Description Product Type: S23 BLING TWS Test Model: EP-0680 Date Received: 2022-11-08 Date of Test: 2022-11-11 to 2022-11-18 Report Date: 2022-11-18 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Jeff Jiang Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: RA221108-52275E-RF Version 11: 2021-11-09 Page 2 of 59 FCC-BT TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC§15.247 (i), §1.1307 (b) & §2.1093 – RF EXPOSURE ...................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 TEST RESULT ............................................................................................................................................................. 10 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.205, §15.209 & §15.247(d) – RADIATED EMISSIONS ........................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 13 TEST PROCEDURE ...................................................................................................................................................... 13 FACTOR & MARGIN CALCULATION ........................................................................................................................…
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Shenzhen Accurate Technology Co., Ltd. Project No.: RA221108-52275E-RF Test Photos Page 1 of 1 Radiated Spurious Emissions Test View (Below 1GHz) Radiated Spurious Emissions Test View (Above 1GHz)
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 460.00 µW |
DJ STYLE BT HP F26
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
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Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
RC STUNT CAR F26
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
LANAS LIFE VGA MOUSE
Equipment Class
DTS - Digital Transmission System
TRANSLATION OWS
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter