R7GD900Wireless Bluetooth Headphones

Preface / P1 About Syllable / P1 Wireless Bluetooth Headset Operation / P2 Product Maintenance / P8 Trouble Removal / P8 Product List / P9 Main Characteristics and Parameters / P9 Contents EN Black-Bean Bluetooth Headset Note / P7 Thank you for choosing syllable D900 . You will Bluetooth headset enjoy high-quality sound and convenient hands-free calling! Please keep this manual to get indication on operation 1 2 1 Charging thimble 2 Charging socket 3 Power supply indicator 5 Charging tactile disc 2 1 3 4 5 4 Entity button Preface About
Syllable “Syllable” is a high quality headphone brand created by Shenzhen Kaijuyuan Technology Co.,Ltd. durability, fashion style, and exceptional sound “Syllable” means syllable which is the basic element in music. We want to use our technology and craft to make a high quality headphone which can let you feel each nice syllable of music Wireless Bluetooth Headset Operation Diagram for D900 Bluetooth Headset Wireless Bluetooth Headset Operation 3 4 1. Power on Press and hold the entity button for 2 seconds when power is off 2. Power
off Press and hold the entity button for 6-7 seconds when the power is on, then the red LED will be flashing for one second and a notification sound will be heard accordingly Wireless Bluetooth Headset Operation 3. Connect earphone to cellphone Enter connection mode of cellphone: when the power is off or the blue LED is flashing, press and hold one of the entity buttons which in L/R earphones for 3-4 seconds, then both red and blue LEDs flash alternately and fast. Use the Bluetooth function in your cellphone to search for “D900” and click connection; input the code “0000” if needed 5 6 Wireless Bluetooth Headset OperationWireless Bluetooth Headset Operation 4. Connect L/R earphones Connection mode for L/R earphones: when you complete the connection of single side earphone, press and hold the entity button for 1-2 seconds, both red and blue LEDs are on at the same time, then red and blue LEDs flash alternately and slowly after releasing, or release the entity button after a beep sound to be heard, at this time enter pairing mode for L/R earphones. The other earphone does not need to connect cellphone, just press and hold the entity button for 1-2 seconds when the power is on, until that both red and blue LEDs are on at the same time, then release the entity button and both red and blue LEDs will be flashing alternately and slowly, or release the entity button after a beep sound to be heard, two earphones flashing red and blue lights alternately and slowly (ready for pairing), and searching for the link automatically. (For the paired previously earphone cellphone, press and hold Power On button for 2 seconds to automatically connect) Left Right 5. Call function （when calling, the button of earphone which firstly connected to cellphone is available and only the earphone can hear the voice when calling.） Dial: when earphone is connected to cellphone, press the entity button twice to re-dial the latest phone number. Incoming call: when there is an incoming call, press the entity button to answer the call, press and hold to refuse it. End call: press the entity button to end call when calling. 7 8 a. Please keep this product dry and use clean soft cloth to clean the surface of the Bluetooth headset. b. Please use this product when permitting, e.g. on the airplane that allows to use wireless Bluetooth transmission, etc. c. Never place the Bluetooth headset in dust, high temperature or especially low temperature areas. d. Never tear down the Bluetooth headset by yourself, because non-professional handling will do damage to the Bluetooth headset. e. Never perform destroyed operation to the Bluetooth headset, e.g. beating and crashing, etc. f. Never produce short circuit between the Bluetooth headset and charging connector of power charging box, because this operation can damage the circuit and battery. g. Please use original accessories. Any accident caused by other accessories is not in the purview of guarantee. Wireless Bluetooth Headset Operation Product Maintenance Phenomenon Reason Solution Starting-up failure low battery charge for about 3 hours No sound after pairing wrong pairing re-pairing Red light shines during phone talking low battery warning please charge immediately No indicator during charging no voltage output from AC adaptor Shut down automatically low battery charge for about 3 hours Echo volume is too high or environment is too noisy adjust volume or change environment Noise during phone calls environment disturbance or headphone Is too far away from device change environment or shorten the distance between headphone and device Low volume of the caller wrong wear of headphone adjust headphone position check if AC adaptor is well plugged in or if power switch is on Trouble Removal 5. Playing music (it has the same function with the entity buttons of L/R earphones, and the output is stereos.) Playing music: when earphone is connected to cellphone, press the entity button to play music. Pause: when playing the music, press the entity button to pause. 6. Recharging earphone Charging: the new earphone has a dielectric film, release it and put transparent cover before charging 1. When entering connect mode of L/R earphones, both red and blue LEDs flash alternately and slowly, and delete all the connection record of all L/R earphones. 2. When you playing the music, blue LED light flashes slowly. 3. The red light is keeping on when the battery is low. 4. Put the earphone into the battery compartment, the red LED indicates recharging, the blue LED indicates full charging. Note 9 10 Wireless Bluetooth Headset Model: D900 Items Parameters Warranty card Instruction Book Driver 8mm copper-ring loudspeaker Impedance 16 Ω Bluetooth version V4.0 Power level CLASS II DSP phase compensation Working voltage 3.2V-4.2V Sensitivity of microphone -42dB±2dB Bluetooth frequency brand 2.4-2.48GHz Bluetooth distance 10M Audio transmission prot…

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Shenzhen Kaijuyuan Technology Co., Ltd FCC Authorization Letter Number: CF304 Version: V03 Date: 01-08-2011 We, (the approval holder) Company name Shenzhen Kaijuyuan Technology Co., Ltd Address Rm 1606, Seven Stars Square, Meilong Rd, Longhua,Bao’an, City Shenzhen, Guangdong Country China declare that the following representative (agent): Name (person) Jade Yang Company name Shenzhen BCTC Technology Co., Ltd Address No.101,Yousong Road,Longhua New District, City Shenzhen Country China is hereby authorized to apply the following equipment for certification on our behalf: Product Description Wireless Bluetooth headphone Type or Model(s) D900,D900S Tradename or Brand(s) syllable We also authorize Teleconformity (Mr. M. Koop, Manager Certification, Address: Rietven 31, 7534NH Enschede, the Netherlands) to apply and sign this application for certification, registration or filing on our behalf (as representative agent or certifier). Attestation: City and Country: Date: Name: (this must be a person) Function: Signature: (or official company stamp) Shenzhen, Guangdong 2015-8-20 Chris Tan Manager

Shenzhen Kaijuyuan Technology Co., Ltd FCC Confidentiality Request Number: CF303 Version: V05 Date: 21-05-2012 (Permanent or also called long term confidentiality is the normal method to keep certain docuements confidential, and may apply to schematics, block diagrams, operational description and bill of materials.) To: Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Pursuant to 47 CFR Section 0.459(a) & (b), we, (the applicant / grantee) Company name Shenzhen Kaijuyuan Technology Co., Ltd Address Rm 1606, Seven Stars Square, Meilong Rd, Longhua,Bao’an, City Shenzhen, Guangdong Country China request for this certification filing under: Grantee Code Product Number FCC ID: R7G D900 to maintain permanent confidentiality for the following documents submitted within this application: (please cross what is applicable, or add other documents, provide the file name and description) Exhibit File Name Description x Operational Description explaining the functioning of the block diagram x Block Diagrams showing the systematic building blocks of the EUT x Schematics Diagrams showing components, their values and interconnection Above materials crossed contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. We understand that pursuant to 47 CFR section 0.457(d)(1)(ii) disclosure of the applicant and all accompanying documentation will not be made before the date of the grant. The documents indicated as confidential above, are not publicly available elsewhere. Attestation: City and Country: Date: Name: (this must be a person) Function: Signature: (or official company stamp) Shenzhen, Guangdong 2015-8-20 Chris Tan Manager

Shenzhen BCTC Technology Co., Ltd. FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page1 of 7 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Shenzhen BCTC Technology Co., Ltd. FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page2 of 7 Photo 3 Photo 4 Shenzhen BCTC Technology Co., Ltd. FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page3 of 7 Photo 5 Photo 6 Shenzhen BCTC Technology Co., Ltd. FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page4 of 7 Photo 7 Lab provides adapter

M/N: D900 FCC ID: R7GD900 Label location

Antenna location

Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 1 of 30 FCC Part 15C Test Report FCC ID: R7GD900 Product Name: Wireless Bluetooth headphone Trademark: syllable Model Name : D900,D900S. Prepared For : Shenzhen Kaijuyuan Technology Co., Ltd Address : Rm 1606, Seven Stars Square, Meilong Rd, Longhua,Bao’an, Shenzhen, Guangdong Prepared By : Shenzhen BCTC Technology Co., Ltd. Address : No.101,Yousong Road,Longhua New District, Shenzhen,China Test Date: Aug. 8– Aug. 15, 2015 Date of Report : Aug. 15, 2015 Report No.: BCTC-15080180 Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 2 of 30 VERIFICATION OF COMPLIANCE Applicant’s name ................. : Shenzhen Kaijuyuan Technology Co., Ltd Address ................................. : Rm 1606, Seven Stars Square, Meilong Rd, Longhua,Bao’an, Shenzhen, Guangdong Manufacture's Name ............ : Shenzhen Kaijuyuan Technology Co., Ltd Address ................................. : Rm 1606, Seven Stars Square, Meilong Rd, Longhua,Bao’an, Shenzhen, Guangdong Product description Product name ........................... : Wireless Bluetooth headphone Trademark: syllable Model Name: D900, D900S Test procedure FCC Part15.249 Standards ANSI C63.10-2013 This device described above has been tested by BCTC, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of BCTC, this document may be altered or revised by BCTC, personal only, and shall be noted in the revision of the document. Test Result .............................................. : Pass Testing Engineer : (Eric Yang) Technical Manager : (Sophia Lee) Authorized Signatory : (Carson. Zhang) Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 3 of 30 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 TEST FACILITY 4 1.2 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING 6 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 RADIATED EMISSION MEASUREMENT 13 3.1.1 RADIATED EMISSION LIMITS 13 3.1.2 TEST PROCEDURE 14 3.1.3 DEVIATION FROM TEST STANDARD 14 3.1.4 TEST SETUP 15 3.1.5 EUT OPERATING CONDITIONS 16 3.1.6 TEST RESULTS 17 4 . BANDWIDTH TEST 21 4.1 APPLIED PROCEDURES / LIMIT 21 4.1.1 TEST PROCEDURE 21 4.1.2 DEVIATION FROM STANDARD 21 4.1.3 TEST SETUP 21 4.1.4 EUT OPERATION CONDITIONS 21 4.1.5 TEST RESULTS 22 5 . 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE 24 5.1 DEVIATION FROM STANDARD 25 5.2 TEST SETUP 25 5.3 EUT OPERATION CONDITIONS 25 5.4 TEST RESULTS 25 6 . ANTENNA REQUIREMENT 26 6.1 STANDARD REQUIREMENT 26 6.2 EUT ANTENNA 26 7 . EUT TEST PHOTO 27 Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 4 of 30 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.249) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.249 Radiated Spurious Emission PASS 15.249 Bandwidth PASS 15.205 Band Edge Emission PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report 1.1 TEST FACILITY Shenzhen BCTC Technology Co., Ltd. Add.:No.101,Yousong Road,Longhua New District, Shenzhen,China FCC Registration No.:187086 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±1.38dB 2 RF power,conducted ±0.16dB 3 Spurious emissions,conducted ±0.21dB 4 All emissions,radiated(<1G) ±4.68dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 5 of 30 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment Wireless Bluetooth headphone Trade Name syllable Model Name D900, D900S. Model Difference All the same, is different for mode names and outlook color Product Description Operation Frequency: 2402~2480 MHz Modulation Type: GFSK Bit Rate of Transmitter 2M Number Of Channel 40 CH Antenna Designation: Please see Note 3. Based on the application, features, or specification exhibited in User's Manual, the EUT is considered as an ITE/Computing Device. More details of EUT technical specification, please refer to the User's Manual. Channel List Please refer to the Note 2. Adapter N/A Battery DC 3.7V Connecting I/O Port(s) Please refer to the User's Manual hardware version -- Software version -- Serial number -- Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. 2. Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 2402 11 2422 21 2442 02 2404 12 2424 22 2444 03 2406 13 2426 23 2446 ~ ~ ~ ~ ~ ~ 09 2418 19 2438 39 2478 10 2420 20 2440 40 2480 3. Table for Filed Antenna Ant . Brand Model Name Antenna Type Connector Gain (dBi) NOTE 1 N/A N/A PCB Antenna N/A 0 Shenzhen BCTC Technology Co., Ltd. Report No.: BCTC-15080180 FCC Report Tel: 400-788-9558 0755-33019988 Web:Http//www.bctc-lab.com Page 6 of 30 2.2 DESCRIPTION OF TEST MODES To investigate the maximum EMI emission characteristics generates from EUT, the test system was pre-scanning tested base on the consideration of following EUT operation mo…

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Radiated Measurement Photos conducted Emission