Features1. Fixed on the steering wheel with special hook structure which is convenient for fixing and operation.2. DSP technology、 Full duplex、 CVC noise and echo suppression.3. Support TTS function4. Support MIC mute function5. Answer/end/reject a call、 last call redialing、 and call switch6. Support A2DP function、 can play cell phone music and control it completely via Bluetooth car kit.7. Built-in high intelligent microphone and powerful speaker in order keep excellent sound quality effects8. Built-in Li-ion Battery9. USB port for software update and charge10. Connect automatically when power is on11. Support dual standbySpecifications1. Bluetooth version:3.02. Bluetooth working Frequency: 2.4GHZ3. Receiving range of the Bluetooth device: 0~10 meters4. Talking range of the hands-free Mic: 0~1 meters5. Charging voltage: 5V6. Capacity of the built-in lithium: 300mAH7. External size£¨LxWxH£©£º98x45x22.5MM8. Weight: 42g9. Operating temperature: -10~70 degrees10. Storage temperature: -20~80 degreesOperationWhen using your Bluetooth car kit first time、 your cell phone must pair with it. Please refer to the user manual of your cell phone for specific details on Bluetooth connectivity.A.Power on and long press buttonundefined for 3 seconds to enter pairing mode、 while red and blue indicator flash、 activate your cell phone¡¯s Bluetooth function、 and search for the "CAR KIT" device、 it will displays on your phone.B.Select ¡°CAR KIT¡± device.C. Enter the pass code ¡°0000¡±.D. Select ¡°CAR KIT¡± from the list on the cell phone paired device、 then select ¡°connection¡±.When finished pairing、 the voice remind the pairing of first cell phone has succeeded、 and red and blue lights flashing stops and blue light flashes. Pairing the second phonePressundefined  button for 3 seconds、 enter pairing mode while the red and blue light flash in turn. Operate as do the first cell phone . Notice : when connecting the second phone、 the device will disconnect from the first cell phone automatically. After you succeeded in connecting the second、 please turn on Bluetooth function of the first one again、 there will be prompt ¡°Connect CAR KIT or not?¡± on it 、 select ¡°Connect¡±、 so that two cell phones are connected to the same Bluetooth handsfree device. ( Or re-power on the device after the second cell phone connected、 two cell phones can also be connected to the same Bluetooth handsfree device )Voice prompts switching:The product supports voice prompts in three language、 Chinese、 English and Spanish. Factory default is English. If need switch to the other two languages、 please long pressundefined button for 3 seconds to hear the voice prompts of different languages. When prompts Chinese、 shortly pressundefined button to select Chinese. When prompts Spanish、 shortly press undefined button to select Spanish. Language choiceWhen finished pairing、 press undefined for 3 seconds and enter language selection of TTS function(text to speech). The device support Chinese /English /Spanish、 and pressundefined to confirm. Feature and Operation1. Power On/OffSlide power switch of the device to ON、 the system start to work、 and voice report ¡°Ready to pair¡±. (Please put power switch to OFF if no use for long time) 2.Handsfree Talking2.1 Making a callUnder connected state、 dial a phone number directly on the cell phone、 thenvoice automaticallyissent from the Bluetooth handsfree.The device returns to Standby mode after hung up.2.2 Receiving a callUnder connected state、 when there is an incoming call、 voice will report caller ID automatically、 press  undefined button to answer、 return to standby mode after hung up.2.3 Rejecting a callPressundefined button 3 seconds to reject an incoming call.2.4 Microphone muteWhen communicating by Bluetooth handsfree、 if you don¡¯t want the other party to hear your voice、 press  undefined button、 microphone will be turned off. Press undefined button again、 you can talk freely by handsfree again.3. Phone call backUnder connected state、 you can pressundefined button 3 seconds to dial the last phone call back.4. Volume Adjustment In state of power on、 shortly press "+" and "-" buttons to adjust the volume until desired volume、 the voice will prompt "Highest volume" and the "Lowest volume"5.Switching handsfee between the phoneDuring a call、 shortly press button、 voice will switch from handsfree to the cell phone. Pressbutton again to switch back handsfree talking.6.Music modeThe product supports the A2DP function、 you can listen music stored in the cell phone through the speaker of Bluetooth device.6.1  When playing music、 you can operate as follows.Pressundefined button to Play/PausePress undefined button to play previous musicPress  button to play next musicPress + button to increase the volumePress - button to reduce the volume6.2 When there is an incoming call or dialing、 the device will automatically switch from the music playing mode to the phone calls mode.6.3 To exit the music mode、 just turn off the phone music player.6.4 Please adjust the volume to the best sound when use the built-in speaker to play music. 7.ChargingThe product has a built-in lithium battery.When thebattery isrunninglow、 please charge in time、 otherwise it will power off automatically during use. When power is full、 the indicator light changes from red to blue.7.1. Take off the device from the steering wheel bracket.7.2. Plug the 5PIN Mini USB to USB charging port、 and insert the car charger into car cigarette lighter socket.