VO8-DF610STEREO BLUETOOTH HEADSET

4 Product overview The Bluetooth Stereo Headset is composed of: Charging the headset Your headset uses a rechargeable battery. You must charge the battery fully before using the headset for the first time. Please make sure to turn off the headset before charging. 1. Plugging the charging cradle in the port. 2. The red indicator light remains solid when charging. 3. The fully charging takes approximately2-3 hours. 4. The indicator light is in solid blue when charging completed. How to turning on/off: Turn on:Press power on/off button hear the beep and the blue indicator light flashes. Turn off: Press the power on/off button until you hear the beep and the blue indicator light flashes twice. Redialing the previous call Press and hold the MF button for 2 seconds until you hear a long beep. Playing music When you are listening to the music, you can press the MF button to play music or make a pause and the volume control buttons is to select previous song and next song (Briefly press the Volume + to go to next song and Volume to go to the previous song.). 67 Reconnect the paired headset with the mobile phone If you want to connect the paired headset with the mobile phone, you can do as below: ◎Turning on the headset and setting up the connection in the Bluetooth list of your mobile phone ◎Pressing once the MF button of the headset. (You have to do the setting in your mobile phone to allow the automatic connection with the paired headset.) Answering a call When you hear the ring tone, press the MF button once If you prefer answering the call by your phone, you can transfer the call from the headset on your phone. Ending a call Press and release the MF button once or end call on your phone's keypad. Answering or rejecting a call when listening to music If there is ring tone of incoming call when you are listening to music from your phone or PC or other Bluetooth enabled devices, press the MF button to answer the call and press and hold the MF button for 2 seconds to reject the call. Pause or put a call on hold During the phone call, just press and hold the MF button for 2 seconds to put a call on hold. If you want to resume to the call, you can also press and hold the MF button for 2 seconds. (This is subject to the mobile phone's feature.) Volume control Press and hold the Volume Control (+) to increase volume and release when it reaches your preferred volume. Vice versa! 5 Pairing with your Bluetooth phone 1. The distance between the Bluetooth headset and your Bluetooth phone would be better within 1 meter when pairing, the closer the better. 2. Ensuring the headset is off. 3. Pressing still the Multifunctional Button until you see the blue light remains solid. 4. Set your Bluetooth phone to discover the headset by following your phone's guide. Typically, the steps involved are going to a "Setup" "Connect" or "Bluetooth" menu on your phone and then select the option to discover Blueto- oth devices. 5. Your phone will find the headset and ask if you want to pair with it. Confirming this by pressing “yes” or “ok”. 6. Enter passkey “0000”, then press “yes” or “ok”. IMPORTANT：If pairing is successful, the indicator light will flash in blue 10 times rapidly before going to flashing every 3 seconds, If unsuccessful, the light remains on, and you will need to reattempt the pairing. While the light will go out if the pairing time takes more than 60 seconds, in that case, you need to turn off the headset and turn it on for pairing again. Disconnect the headset from the mobile phone If you want to disconnect the headset from the mobile phone, you can do as below: ◎Turn off the headset ◎Disconnect the headset from the Bluetooth list the mobile phone. ◎Take the headset away from the mobile phone for more than 10 meters (33ft). 2.将充电器插头插入耳机充电USB接口, 另一端插到交流电源 插座上(如图）.此时耳机开始充电,充电时,红灯( )恒亮. 3.耳机充足电,大约需要2-3个小时,充满后蓝灯( )恒亮或红 灯熄灭. 1配对时,请将蓝牙耳机和手机的距离控制在1米范围内, 越近越好. 2.确认蓝牙耳机处于开机状态. 3.按多功能键( ),到蓝灯( )恒亮或红蓝灯( )同时(交 替)亮,此时耳机进入蓝牙配对状态. 4.按照蓝牙手机的说明书,打开"蓝牙搜索"或"添加新设备" 选择耳机名称,确认后按手机的提示输入"0000"确认. . 开启耳机时,请拨开、关机键,耳机会蜂鸣且蓝色指示灯( ) 会快速闪烁或长按多功能键( )进入配对状态。 关闭耳机时,请拨开、关机键,耳机会蜂鸣且蓝色指示灯( ) 会快速闪烁两下. 要连接耳机和手机,请打开耳机,使用手机的"蓝牙"功能表建立 连接,或按一下多功能键( ). 要断开耳机与手机的连接(例如,将手机连接至其他蓝牙设备), 请采用以下任一方式: 关闭耳机 使用手机的"蓝牙"功能表断开耳机与手机的连接. 将耳机移至距离手机10米(约30英尺)以远的位置. 1 耳机由以下部分组成: 本耳机使用内置式不可拆卸充电电池.请勿尝试从耳机中取出 电池,以免损坏耳机. 1.充电时,先将耳机关机 使用充电器给本耳机充电前, 请先检查充电器是否为耳机配套充电器. 充电器和电池 23 用户使用 说明书 USER GUIDE 使用入门 耳机充电 开机或关机 蓝牙配对步骤 断开耳机与手机的连接 将已配对耳机重新连接至手机 您可以设置手机,使其在耳机启动时自动与耳机建立连接.在手 机中,要实现这一目的,请在"蓝牙"功能表中更改配对设备设置. 接听来电 来电时,耳机内发出来电提示音或铃声,按下耳机多功能键( ), 即可接听来电,或使用手机接听键,接听来电 挂断通话 按下耳机多功能键( )或使用手机挂断键即可挂断通话. 暂停或保留通话 通话时，长按多功能键( )2秒可保留现有通话，如需恢复通 话,则长按多功能键( )2秒。(是否支持本功能,取决于手机) 末位重拨 耳机支持末位重拨功能：长按2秒耳机多功能键( )即可实现 末位重拨。 音乐播放/暂停/选曲 收听音乐时可以操作多功能键( )播放或暂停,上一曲、下一 曲进行选曲等。 音量调节 音量键调节音量的大小 ： 轻按一下音量增大(+) ， 按一下 轻 音量减小(-),(注:当音量达到最大或最小时会有蜂鸣声提示) 拒绝来电 长按2秒耳机多功能键( )或直接用手机挂断键即可拒绝来电. 1.Earhook 2. Active Components 3.Previous 4.Charging Socket 5.Muliti-Function Key 6.Next 7.Microphone Head 8.Earpiece 9.Power 10.Volume Control （+） 11.Volume Control （-） 1 2 3 4 5 6 7 8 9 10 11 1.耳挂 2.活动部件 3.上一曲 4.充电接口 5.多功能键 6.下一曲 7.麦头 8.听筒 9.电源开关 10.音量加大 11.音量减小 1 2 3 4 5 6 7 8 9 10 11 立体声蓝牙耳机 BLUETOOH STEREO HEADSET ◎Multipiont Technology ◎Buletooch V3.0 ◎Multifunctional Buttons FCC Note: 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 interference received, including interference that may cause undesired operation. NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications 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 equ…

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Guangzhou Liwei Electronics Co.,LTD. FCC ID: VO8-DF610 POWER OF ATTORNEY May 10, 2012 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We,Guangzhou Liwei Electronics Co.,LTD.hereby authorizeShenzhen Super Test Service Technology Co., Ltd.(Terry YANG/ Manager) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out byShenzhen Super Test Service Technology Co., Ltd.(Terry YANG/ Manager) on our behalf shall have the same effect as acts of our own. This authorization expires onMay 31, 2012. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Guangzhou Liwei Electronics Co.,LTD. are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Jiawei Yang Manager Guangzhou Liwei Electronics Co.,LTD. May 10, 2012

FCC ID: VO8-DF610Report No. : STS120410F2 Page1 PHOTO OF BATTERY INTERNAL PHOTO OF SAMPLE - 1 FCC ID: VO8-DF610Report No. : STS120410F2 Page2 INTERNAL PHOTO OF SAMPLE -2

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NO.ClassificationModel and Technical DataQuantityValueNote 1PCBADF610-201-011 2 0Ω±5%1R2 3 1Ω±5%3R8 R9 FB2 4 1KΩ±5%4R6 R7 R15 R4 5 2KΩ±5%2R16 R10 6 4.7KΩ±5%1R1 7 10KΩ±5%1R50 8 47KΩ±5%1R51 9 100KΩ±5%2R52 R5 10 10pF±0.25 50V5C9 C6 C14 C10 C11 11 0.5pF±0.25 50V1C3 12 1pF±0.25 50V1C5 13 1.5pF±0.25 50V1C2 14 39pF±5% 50V3C7 C16 C12 15 0.1uF +80-20% 16V3C30 C23 C1 16 0.047uF±10% 16V3C27 C20 C13 17 220pF±5% 50V1C24 18 1OuF+80%-20% 10V6C32 C15 C44 C26 C25 C31 19 1uF±10% 10V5C19 C8 C22 C21 C17 20 4.7uF±10% 10V4C29 C18 C39 C36 21 IS16811U1 22 RS71001U3 23SwitchSS305GS161SW1 24 1.8nH±5%1L1 25 3.9nH±5%1L2 26 22uH±5%1L3 27Crystal16MHz±10PPM 9PF1X1 28Diode MMBT39041Q1 29LDOPJ7350MR1U3 30EEPROM AT24C321U2 31red1LED1 32blue1LED2 LED BOM Resistance Capacitance Inductance IC

FCC ID: VO8-DF610Report No. : STS120410F2 Page1 TUNE UP INFORMATION 2.1 Product Information ProductStereo Bluetooth Headset Trade Name Model NumberDF610 Series Number: N/A Description of Differences: N/A Power SupplyDC 3.85V by battery or DC 5V by AC Charger(100-240V,50/60Hz,1.0A) Frequency Range2402MHz -2480MHz Modulation TypeFHSS Antenna Type:Internal Fixed Channel Spacing:1MHz Channel Number79(CH Low: 2402MHz, CH Mid: 2441MHz, CH High: 2480MHz) Temperature Range-20°C ~ 50°C NOTE: 1.Please refer to Appendix I for the photographs of theEUT. For a more detailed features description about the EUT, please refer to User’s Manual.

5V5V TP18 GND BAT 0 . 6 m m D F 6 1 0 - 2 0 1 - 0 1 1 2 / 0 2 / 1 4 Gnd MIC+ M I C - TX RX E A N GND RF_VCC 24 S P + S P - MFB 5V B a t + Gnd s- s+ RF P20 1 0 5 - 1 0 2 0 - 0 2 0 SW1 G N D 4K7 R1 2K R10 1 K R 1 5 2 K R 1 6 100K R52 1 K R 6 1K R7 1R R8 1 R R 9 0.1u C1 10p C10 10p C11 39p C12 473C13 1 0 p C 1 4 3 9 p C 1 6 1u C17 4 7 3 C 2 0 1 u C 2 1 1u C22 0 . 1 u C 2 3 220p C24 473 C27 0.1uC30 1 0 p C 6 3 9 p C 7 10p C9 A C E 2 4 C 3 2 U 2 RS7100 U3 1 R F B 2 U1 IS1681N BLUE BLUE B L U E LED1 RED RED R E D LED2 2N3904 Q1 P O W E R F W D POWER PAU/PLAY POWER REV X T A L - 1 6 M H z - 9 p F X 1 1 0 u C 2 5 C36 4.7uF C39 4.7uF 1 0 u C 2 6 10u C44 1 0 u C 1 5 4.7uF C18 MFB ??? MFB TP ? ? ? TP1 TP ? ? ? TP BAT1 ??? EAN ??? EAN P20 ??? P20 TP1 ??? TP1 GND2 ??? GND2 TP6 TP5 RF-VCC ??? ??? RF-VCC RX ??? ??? P24 ? ? ? ? ? ? P24 S W - 1 B I T TX ??? TX 2 2 u H L 3 A N T 1 N C C 2 8 C 1 9 1 u F Q8 AF2302N C 2 9 4 . 7 u F V O L + V O L - 10u C32 1 K R 4 1 0 0 K R 5 2301 Q10 C 3 1 1 0 u L2 3.9nH C 4 N P C3 0.5p C2 1.5p L1 1.8nH C 5 1 p C 5 R2 0R R51 47K R50 10K C8 1u USB TP16

FCC 47 CFR PART 15 SUBPART C TEST REPORT For Applicant: Guangzhou Liwei Electronics Co.,LTD. Address: No. 33, Zhenzhongbei Road,Shenshan Industrial Park Baiyuan District Guangzhou Product Name: Stereo Bluetooth Headset Model Name: DF610 Brand Name: FCC ID: VO8-DF610 Report No.: STS120410F2 Date of Issue: May. 10, 2012 Issued by: Shenzhen Super Test Service Technology Co., Ltd. Address: No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China Tel: 86-755-2795 8522 Fax : 86-755-2795 8022 The report consists 36 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim productendorsement by STS. The test resultsin the report only apply to the tested sample. The test report shall be invalid without all thesignatures of testing engineers, reviewer and approver. FCC ID: VO8-DF610Report No. : STS120410F2 Page 2 of 36 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY.............................................................................................................................3 2. GENERAL INFORMATION...........................................................................................................................................4 2.1 Product Information......................................................................................................................................................4 2.2 OBJECTIVE...................................................................................................................................................................5 2.3 TEST STANDARDS AND RESULTS.........................................................................................................................5 2.4 ENVIRONMENTAL CONDITIONS.............................................................................................................................5 3. TEST FACILITY..............................................................................................................................................................6 3.1TEST FACILITY.............................................................................................................................................................6 3.2 GENERAL TEST PROCEDURES..............................................................................................................................6 3.3 FCC PART 15.205 RESTRICTED BANDS OF OPERATIONS.............................................................................7 4. SETUP OF EQUIPMENT UNDER TEST....................................................................................................................8 4.1 SUPPORT EQUIPMENT.............................................................................................................................................8 4.2 TEST EQUIPMENT LIST.............................................................................................................................................9 5. 47 CFR Part 15C 15.249 Requirements.................................................................................................................10 5.1 SPURIOUS EMISSION TEST..................................................................................................................................10 5.2 BAND EDGE...............................................................................................................................................................19 5.3 LINE CONDUCTED EMISSION TEST....................................................................................................................22 APPENDIX 1......................................................................................................................................................................26 PHOTOGRAPHS OF TEST SETUP..............................................................................................................................26 APPENDIX 2......................................................................................................................................................................29 PHOTOGRAPHS OF EUT..............................................................................................................................................29 FCC ID: VO8-DF610Report No. : STS120410F2 Page 3 of 36 1. VERIFICATION OF CONFORMITY Equipment Under Test: Stereo Bluetooth Headset Brand Name: Model Number: DF610 Series Model Name:N/A Difference description:N/A FCC ID: VO8-DF610 Applicant:Guangzhou Liwei Electronics Co.,LTD. No. 33, Zhenzhongbei Road,Shenshan Industrial Park Baiyuan District Guangzhou Manufacturer: Guangzhou Liwei Electronics Co.,LTD. No. 33, Zhenzhongbei Road,Shenshan Industrial Park Baiyuan District Guangzhou Technical Standards: 47 CFR Part 15 Subpart C File Number:STS120410F2 Date of test:May 2, 2012 ~ May 9, 2012 Deviation:None Condition of Test Sample:Normal Test Result:PASS The above equipment was tested by STS for compliance with the requirements set forth in FCC rules and the Technical Standards mentioned above. This said equipment inthe configuration described in this report shows the maximum emission levels emanating from equipment and the level of the immunity endurance of the equipment are within the compliance requirements. The test results of this report relate only to the tested sample identified in this report. Tested by (+ signature): Zhang LingMay. 10, 2012 Review by (+ signature): July WenMay. 10, 2012 Approved by (+ signature): Terry YangMay. 10, 2012 FCC ID: VO8-DF610Report No. : STS120410F2 Page 4 of 36 2. GENERAL INFORMATION 2.1 Product Information ProductStereo Bluetooth Headset Trade Name Model NumberDF610 Series Number: N/A Description of Differences: N/A Power SupplyDC 3.85V by battery or DC 5V by AC Charger(100-240…

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FCC ID: VO8-DF610Report No. : STS120410F2 Page1 RE TEST SETUP FCC ID: VO8-DF610Report No. : STS120410F2 Page 2 CE TEST SETUP