A5MW870LENOVO BLUETOOTH HEADSET

W870 Bluetooth Headset W870 Bluetooth Headset User Manual User Manual W870 Bluetooth Headset Product name: Lenovo Bluetooth Headset Product model: W870 Product standard: Q/HDLCS0103-2012 Manufacturer: Lenovo (Beijing) Co., Ltd Address: No.6 Chuang Ye Road, Shangdi Information Industry Base, Haidian District, Beijing, China Zip Code: 100085 Lenovo website: www.lenovo.com W870 Bluetooth Headset User Manual ― 1 ― I. DescrIptIon: Dear customers, Thank you for selecting high-quality electronic product offered by Lenovo. This headset is manufactured with internationally advanced Bluetooth wireless audio transmission technology. This technology is characterized by stable signal, long transmission distance and Hi-fi stereo. Its in-built Lithium polymer battery of 380mAh provides a standby time of 8 hours, allowing you to enjoy the music and chat online freely. Mobile OS requirements: Android, WM6, WP7, IOS4.1 or above, and Symbian PC OS requirements: WIN XP, WIN 2000, WIN 7, WIN 8, VISTA, and Apple MAC Compatible media player: windows media, ttpod, Kugoo, iTunes, and TTPlayer W870 Bluetooth Headset User Manual ― 2 ― II. HeaDset buttons: USB Charging Port Bicolor LED (Red and Blue) Next/Volume Down Previous/Volume Up Multifunction Button 1. Multifunction button 1) Power On: By pressing this button for 2 seconds in power-off state until you hear a beep in the headset, the blue lamp will flash every 2 seconds and the headset is started. 2) Power Off: By pressing this button for over 2 seconds and then releasing it in power- on or playing state, the red lamp will flash once and you will hear a beep in the headset. 3) Pairing: By pressing and holding the multifunction button for 5 seconds in power-off state, the red and blue lamps of the headset will flash quickly and alternately, and the mobile phone or computer will enable Bluetooth search. When the mobile phone or the computer prompts that the headset is found, please click "Connect", but some devices may require a password "0000". 4) Pause/Play: Press it once quickly in music state. 5) Answer calls: Press it once quickly when there is incoming calls. 6) Hang up calls: Press it once quickly during a call. 2. Previous/Volume +: Press it quickly to switch to the previous song; press and hold it to increase the volume; when the button is not released after the volume reaches its maximum, there will be a beep alert. 3. Next/Volume -: Press it quickly to switch to the next song; press and hold it to decrease the volume; when the button is not released after the volume is lowered to its minimum, there will be a beep alert. 4. Auto re-connection: In power-off state, press the multifunction button for 2 seconds until it beeps. The blue lamp will flash every 2 seconds and the headset is on. Release the button and the headset will by default automatically connect the last paired device; it will take around 1 minute to get connected. W870 Bluetooth Headset User Manual ― 3 ― III. bIcolor InDIcator lamp: 1. Red LED lamp is the charging indicator. It is on when the device is charged, and is off when the charging completes. 2. Blue LED lamp is the working state indicator 1) It flashes every 2 seconds in power-on and music states; it flashes twice every 3 seconds during music playing and phone calls. 2) While pairing, the red and blue lamps will flash quickly and alternately. 3) This lamp is off when the device is powered off or runs out of batteries. IV. mIcropHone: Microphone The microphone is a hidden multi-directional microphone for chatting and phone calls. W870 Bluetooth Headset User Manual ― 4 ― V. connectIon between HeaDset anD Xp computer: 1. Select "My Bluetooth Location" in My Computer 2. Power on the headset to enter the Bluetooth pairing state. The red and blue lamps will flash alternately, select "Add a Bluetooth Device" 3. Select "Lenovo Bluetooth Headset W870" for connection 4. Select "Personal hands-free device with no display screen" 5. Pairing completed! 6. Connect to "Lenovo Bluetooth Headset W870 stereo audio" 7. Connected. Enjoy the music! 8. If you want to enable voice chat, please connect to "Lenovo Bluetooth Headset W870 Hands-Free unit" VI. connectIon between HeaDset anD wIn7 computer: 1. Open the Bluetooth icon on the bottom right corner of the computer 2. Power on the headset to enter the Bluetooth pairing state. The red and blue lamps will flash alternately, select "Add a Device" 3. Select "Lenovo Bluetooth Headset W870" and then click "Next" 4. Wait a few seconds until the computer has successfully added the device; then click "Close" W870 Bluetooth Headset User Manual ― 5 ― VII. connectIon between HeaDset anD mobIle pHone: 1. Power on the headset to enter the Bluetooth pairing state. The red and blue lamps will flash alternately. 2. Activate the Bluetooth function so that the mobile phone starts search for Bluetooth devices. (For details, please refer to the mobile phone instructions) 3. Select "Lenovo Bluetooth Headset W870" for connection. Some mobile phones may require a password "0000" 4. Connected sucessfully and you can play music and make calls. VIII. cHargIng InstructIons: 1. Connect Micro USB charging plug with the headset first, and connect USB connector of the charging cable with USB port of the computer or the mobile phone charger. Red LED lamp is on and the device enters the charging state. 2. When the charging is completed, the red LED lamp is off. You could disconnect the charging cable. notes: ● This headset can only use Micro USB cable to connect the standard 5V charger of the mobile phone, or the USB of PC for charging. Or else, the power management circuit of the headset will be burnt out. ● This headset is equipped with inbuilt irremovable charging battery. Please do not remove the battery to avoid the damage to the headset. ● The charging time of the headset battery for the first time should be 12-24 hours to activate the best perfomance of the battery. Later on, the charging time will be 2-3 hours (please do no…

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BC5F687A05 CRYSTAL SPK MIC E2PROM LED BUTTON ANTENNA 1 2 1 2 1 NO1 2 NO2 3 NO3 4 VSS 5 SDA 6 SCL 7 WCB 8 VDD U1 1 2 1 - + BAT1

Page 50 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 17 Photographs - Constructional Details 17.1 EUT – Appearance View Page 51 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Page 52 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn

Page 56 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 18 FCC Label The Label must not be a stick-on paper. The Label on these products must be permanently affixed to the product and readily visible at the time of purchase and must last the expected lifetime of the equipment not be readily detachable. Label sample for model: W870 FCC ID: A5MW870 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. Label Location for model: W870 ==END== FCC ID: A5MW870 T his 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.

Page 56 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 18 FCC Label The Label must not be a stick-on paper. The Label on these products must be permanently affixed to the product and readily visible at the time of purchase and must last the expected lifetime of the equipment not be readily detachable. Label sample for model: W870 FCC ID: A5MW870 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. Label Location for model: W870 ==END== FCC ID: A5MW870 T his 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.

Page 53 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 17.2 EUT – Open View Battery placement Page 54 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 17.3 EUT – PCB View ANT. Page 55 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 17.4 RF Module –View

2 pages in total Circuit Description Spectrum Bluetooth technology operates in the unlicensed i ndustrial, scientific and medical (ISM) band at 2.402 to 2.480 GHz, using a spread spectrum, frequency hopping, full-duplex signal at a nominal rate of 1600 hops/sec. The 2.4 GHz ISM band is available and unlicensed in most countries. Interference Bluetooth technology’s adapti ve frequency hopping (AFH) capability was designed to reduce interference between wireless technologies sharing the 2.4 GHz spectrum. AFH works withi n the spectrum to take advantage of the available frequency. This is done by detecting other devices in the spectrum and avoiding the frequencies they are using. This adaptive hopping allows for more efficient transmission within the spectrum, providing users with greater performance even if using other technologies along with Bluetooth technology. The signal hops among 79 frequencies at 1 MHz intervals to give a high degree of i nterference immunity。 Power on the headset and enter paring mode, you can fi nd the device via phone’ bluethooth. Enter the pi ncode and connect, then you can use the audio service and stereo music. In a bluetooth headset, our voice goes out and the audio from the incoming call arrives. These information streams are converted to digital bluetooth signals, and the data flows i nto and out of the headset. The headset "understands" the incoming signal from the cell phone, and can convert it i nto audio for us to hear. And the headset converts our voice into a bluetooth signal that it then sends to the phone, which "understands" that signal and converts it to be broadcast to the cell hub. The key to Bluetooth is the management of the i nformation (or data) stacks, and the manner in which they are broadcast, and that is handled a little differently by different devices. Use the link below for more i nformation USB interface Micro USB plug only applies to charging port connection. Please do not use it for data transmission with PC. The working frequency range of Bluetooth RF module is settedfrom 2402MHzto2480MHz, the separation is 1MHz and there are79 channels in total. The 20dB bandwidth of the hopping channel is 1MHz . Type of m odulation: GFSK, Pi/4DQPSK,8DQPSK. The working procedures are: a. When power on, this device will loop scan the whole frequenc y until a connection command from the partner is received. b. This devic e transmits a response signal. c. The partner rec eives the res ponse signal and recognizes it, then send a c onnection command to establish the connection. d. eac h frequency is used equally on the average by each transmitter that eac h new transmission event begins on the next channel in the hopping s equence after the final channel used in the previous transmission event. e. After the c onnection establish successfully, the data transmission is beginning. At the same time, the partner and this device will shift frequencies in s ynchronization per a s ame pseudo randomly ordered list of hopping frequencies, the hopping rate is 1600 times per s econd. This device conform to the criteria in FCC Public NoticeDA00-705. f. The bandwidth of the this device, whic h is set to a fixed width by the s oftware, match the hopping c hannel bandwidth of their corresponding partner. This device is a true frequency hopping s ystem and does not have the c apability to be coordinated with other FHSS s ystems in an effort to avoid the simultaneous occupancy of individual hopping frequencies by multiple transmitters.

SHEET:1, totle 2 pages CHECKED: Liang zhu guang COMPANY: DATED: 2012/08/04 TYPE: W870 DATED:2012/06/02 DRAWN: JACK SHEN A B C D 6 5 4 3 2 1 D C B A RELEASED: DATED: DATE: APPROVED: ECO NO: REVISION RECORD REV: 1.0 REG REG REG 1 VREGIN_L 2 VDD_ANA 3 XTAL_IN 4 XTAL_OUT 5 LO_REF 6 AIO[1] 7 AIO[0] 8 NC 9 UART_TX 10 VDD_UART 11 UART_CTS 12 UART_RTS 13 VDD_UART 14 PIO[9] 15 PIO[11] 16 VDD_PADS 17 VDD_CORE 18 PIO[12] 19 PIO[13] 20 PIO[14] 21 PIO[8] 22 PIO[7] 23 PIO[6] 24 PIO[5] 25 PIO[4] 26 RST# 27 TEST_EN 28 SPI_MOSI 29 SPI_CLK 30 SPI_CS# 31 SPI_MISO 32 LED[0] 33 LED[1] 34 VDD_CORE 35 VREGENABLE_H 36 VDD_SMP_CORE 37 LX 38 BAT_P 39 VDD_CHG 40 NC 41 NC 42 NC 43 NC 44 NC 45 MIC_BIAS 46 VREGIN_AUDIO 47 VDD_AUDIO 48 MIC_B_P 49 NC 50 MIC_B_N 51 MIC_A_P 52 MIC_A_N 53 SPKR_B_N 54 SPKR_B_P 55 AU_REF_DCPL 56 SPKR_A_N 57 SPKR_A_P 58 PIO[3] 59 PIO[2] 60 PIO[1] 61 PIO[0] 62 VDD_PIO 63 VDD_RADIO 64 RF_P 65 RF_N 66 VDD_RADIO 67 VDD_LO 68 VREGENABLE_L 69 VSS_CNTR_PAD U1 BC57F687A05 C2 2u2 C3 4U7 C4 22n R1 2R2 C5 2U2 C6 15p C7 2u2 L2 15nH C8 15p L3 0R L4 NC L5 NC C9 47n C10 22n C11 2U2 C13 22N R11 2R2 Y1 16MHz C14 6P8 C15 18P R12 1K C16 1U C18 100N C19 100N R13 2K2 L6 15nH C33 22N C I O B C36 22N C37 22N C17 100nF C23 4U7 R22 220K 1 2 RF L1 22UH G S D Q1 XP151A13A0MR 3 RF 2 DC 1 NC 4 BP 5 GND 6 BP 8 GND 7 GND T1 LFB212G45BA1A220 MIC+ MIC- SPK-R-A SPK-R-B C26 15P C12 22N 1V81 C24 224 1 2 ANT C1 2u2 R10 NC VBAT 1V8 1V5 1V5 1V5 PIO6 PIO7 PIO8 1V8 1V8 1V5_AUDIO 1V8 SPK_B_N SPK_B_P PWR/HOLD BLED VUSB PIO12 PIO13 RLED VUSB CHECKED:Liang zhu guang SHEET: 2, totle 2 pages COMPANY: DATED: 2012/06/04 TYPE: W870 REV: 1.0 REVISION RECORD ECO NO: APPROVED: DATE: DATED: RELEASED: A B C D 1 2 3 4 5 6 D C B A DRAWN: JACK SHEN DATED:2012/06/02 CHARGE BUTTON CONNECTION POINT EEPROM R4 3.3K VBAT GND1 1 A0 2 A1 3 A2 4 VSS 5 SDA 6 SCL 7 WP 8 VCC U3 M24C32-S SPK-L-A SPK-L-B C22 100nF C20 10U C21 10U R5 2.2K R6 2.2K R7 2.2K 1 2 3 4 5 USB R18 470R BLUE R8 47K R9 47K R14 47K RED2 SW1 SW2 SW3 3 2 1 4 5 6 U2 XT2055 R15 1K R2 NC BLUE2 R3 NC R16 470R RED1 VBAT VUSB PIO8 PIO6 PIO7 1V8 1V8 SPK_B_N SPK_B_P VBAT VBAT BLED PIO13 PIO12 PWR/HOLD VBAT 1V8 RLED BLED VBAT RLED VUSB

Page: 1 of 56 TEST REPORT Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn FCC ID : A5MW870 Applicant : Lenovo (Beijing) Limited Address : No.6 Chuang Ye Road, Shangdi Information Industry Base, Haidian District, Beijing, China Manufacturer : Lenovo (Beijing) Limited Address : No.6 Chuang Ye Road, Shangdi Information Industry Base, Haidian District, Beijing, China Equipment Under Test (EUT) : Product Name : Lenovo Bluetooth Headset Model No. : W870 Trade Mark: : Lenovo Rules : FCC CFR47 Part15 Section 15.247:2010 Date of Receipt sample : September 1, 2012 Date of Test : September 1~17, 2012 Date of Issue : September 17, 2012 Test Result : PASS* Remark: * The sample described above has been tested to be in compliance with the requirements of ANSI C63.4:2003. The test results have been reviewed and comply with the rules listed above and found to meet their essential requirements. PERPARED BY: Waltek Services (Shenzhen) Co., Ltd. 1/F, Fukangtai Building, West of Baima Road., Songgang Street, Bao’an District, Shenzhen, China Tel: +86-755-83551033 Fax: +86-755-83552400 Compiled by: Approved by: Zero Zhou / Project Engineer Philo Zhong / Manager Page 2 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 2 Test Summary Test Items Test Requirement Result Conducted Emissions 15.207 PASS Radiated Spurious Emissions 15.205(a) 15.209 15.247(d) PASS 20dB Bandwidth 15.247(a)(1) PASS Maximum Peak Output Power 15.247(b)(1) PASS Frequency Separation 15.247(a)(1) PASS Number of Hopping Frequency 15.247(a)(1)(iii) PASS Dwell time 15.247(a)(1)(iii) PASS Antenna Requirement 15.203 PASS Maximum Permissible Exposure (Exposure of Humans to RF Fields) 1.1307(b)(1) PASS Page 3 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 3 Contents Page 1 COVER PAGE ................................................................................................................................ 1 2 TEST SUMMARY ......................................................................................................................................................................2 3 CONTENTS .................................................................................................................................................................................3 4 GENERAL INFORMATION.....................................................................................................................................................5 4.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................................................... 5 4.2 DETAILS OF E.U.T. ............................................................................................................................................................ 5 4.3 CHANNEL LIST ..................................................................................................................................................................... 5 4.4 TEST FACILITY..................................................................................................................................................................... 6 4.5 TEST LOCATION................................................................................................................................................................... 6 4.6 GENERAL CONDITION .......................................................................................................................................................... 6 4.6.1 Environmental condition of test site.....................................................................................................................6 4.6.2 Test Mode ....................................................................................................................................................................6 5 EQUIPMENT USED DURING TEST ....................................................................................................................................7 5.1 EQUIPMENTS LIST................................................................................................................................................................ 7 5.2 MEASUREMENT UNCERTAINTY .......................................................................................................................................... 7 5.3 TEST EQUIPMENT CALIBRATION ........................................................................................................................................ 7 6 CONDUCTED EMISSION .......................................................................................................................................................8 6.1 E.U.T. TEST CONDITION .................................................................................................................................................... 8 6.2 EUT SETUP ......................................................................................................................................................................... 9 6.3 CONDUCTED EMISSION TEST RESULT............................................................................................................................... 9 7 RADIATED SPURIOUS EMISSIONS .............................................................................................................................. 12 7.1 EUT OPERATION: ............................................................................................................................................................. 12 7.2 TEST SETUP ....................................................................................................................................................................... 13 7.3 SPECTRUM ANALYZER SETUP.....................................................................................................…

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Page: 1 of 56 TEST REPORT Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn FCC ID : A5MW870 Applicant : Lenovo (Beijing) Limited Address : No.6 Chuang Ye Road, Shangdi Information Industry Base, Haidian District, Beijing, China Manufacturer : Lenovo (Beijing) Limited Address : No.6 Chuang Ye Road, Shangdi Information Industry Base, Haidian District, Beijing, China Equipment Under Test (EUT) : Product Name : Lenovo Bluetooth Headset Model No. : W870 Trade Mark: : Lenovo Rules : FCC CFR47 Part15 Section 15.247:2010 Date of Receipt sample : September 1, 2012 Date of Test : September 1~17, 2012 Date of Issue : September 17, 2012 Test Result : PASS* Remark: * The sample described above has been tested to be in compliance with the requirements of ANSI C63.4:2003. The test results have been reviewed and comply with the rules listed above and found to meet their essential requirements. PERPARED BY: Waltek Services (Shenzhen) Co., Ltd. 1/F, Fukangtai Building, West of Baima Road., Songgang Street, Bao’an District, Shenzhen, China Tel: +86-755-83551033 Fax: +86-755-83552400 Compiled by: Approved by: Zero Zhou / Project Engineer Philo Zhong / Manager Page 2 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 2 Test Summary Test Items Test Requirement Result Conducted Emissions 15.207 PASS Radiated Spurious Emissions 15.205(a) 15.209 15.247(d) PASS 20dB Bandwidth 15.247(a)(1) PASS Maximum Peak Output Power 15.247(b)(1) PASS Frequency Separation 15.247(a)(1) PASS Number of Hopping Frequency 15.247(a)(1)(iii) PASS Dwell time 15.247(a)(1)(iii) PASS Antenna Requirement 15.203 PASS Maximum Permissible Exposure (Exposure of Humans to RF Fields) 1.1307(b)(1) PASS Page 3 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 3 Contents Page 1 COVER PAGE ................................................................................................................................ 1 2 TEST SUMMARY ......................................................................................................................................................................2 3 CONTENTS .................................................................................................................................................................................3 4 GENERAL INFORMATION.....................................................................................................................................................5 4.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................................................... 5 4.2 DETAILS OF E.U.T. ............................................................................................................................................................ 5 4.3 CHANNEL LIST ..................................................................................................................................................................... 5 4.4 TEST FACILITY..................................................................................................................................................................... 6 4.5 TEST LOCATION................................................................................................................................................................... 6 4.6 GENERAL CONDITION .......................................................................................................................................................... 6 4.6.1 Environmental condition of test site.....................................................................................................................6 4.6.2 Test Mode ....................................................................................................................................................................6 5 EQUIPMENT USED DURING TEST ....................................................................................................................................7 5.1 EQUIPMENTS LIST................................................................................................................................................................ 7 5.2 MEASUREMENT UNCERTAINTY .......................................................................................................................................... 7 5.3 TEST EQUIPMENT CALIBRATION ........................................................................................................................................ 7 6 CONDUCTED EMISSION .......................................................................................................................................................8 6.1 E.U.T. TEST CONDITION .................................................................................................................................................... 8 6.2 EUT SETUP ......................................................................................................................................................................... 9 6.3 CONDUCTED EMISSION TEST RESULT............................................................................................................................... 9 7 RADIATED SPURIOUS EMISSIONS .............................................................................................................................. 12 7.1 EUT OPERATION: ............................................................................................................................................................. 12 7.2 TEST SETUP ....................................................................................................................................................................... 13 7.3 SPECTRUM ANALYZER SETUP.....................................................................................................…

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Page 47 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 16 Photographs –Test Setup 16.1 Conduction Emission USB charging mode 16.2 Radiation Spurious Emission Below 30MHz Bluetooth operation mode Page 48 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn From 30-1000MHz Bluetooth operation mode USB charging mode Page 49 of 56 Report No.: WT12085520-D-S-F Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Above 1GHz Bluetooth operation mode