Features:1. 100% brand new and high quality.2. This is a Sun Visor Hands-free Multipoint Wireless Bluetooth Speakerphone Car Kit，Support head free，headset etc， allows a speakerphone connect to two phones，it is the best companion of the car owners and travelers.3. Clip to the car's sun visor， easy to answer the call.4. The visor Bluetooth is close to the mouth to ensure the call volume.5. Strong signal， clear sound and non-radiative.6. Built-in microphone and stereo speakers.7. Wireless connection is range up to 10 meters.8. Support voice calls，able to dial and redial the last call.9. Bluetooth V3.0+EDR to ensure high data transmission efficiency.10. Using a condenser microphone， clearer calls， can reduce the minimum echo.11. Compatible with majority of mobile phone with Bluetooth function.12. Can connect two phones simultaneously and automatically connect to a paired phone.13. The Cigarette Lighter USB Charger: The output voltage is 5V， output current is 500MA.14. Not only charge the host， but can give mobile phones， MP3 and other digital equipment power supply.15. Strong signal， clear sound and non-radiative.16. With the highest quality design:Adopt the steel wire clip to firmly fix this product on the sun visor.Specification:1. Color: Black2. Size: 115mm x 56mm x 10mm3. Compatible Bluetooth Specification: V3.0+EDR4. Working frequency range: ISM (2.4-2.4GHZ)5. RF output power: Up to 10 meters6. Battery type: lithium cell 3.7V， 650mah (BL-5B)7. The input voltage: 5V8. The headset power: 0.37W9. The microphone sensitivity: -41DB10. The noise: 20 decibel noise reduction11. Charging Time: About 3 hours12. Hands-free working time: about 17hours13. Stand-by time: about 100hours/41daysPackage included1 x Bluetooth Hands Free Car Kit1 x USB Charging Cable1 x USB Car Charger1 x User ManualHow to use it:1.After switch on， Press the button on the top of the product for six seconds， the indicator lamp will alternately flash with blue and red and has the voice prompt “ Had readied to match” .2.Open the phone Bluetooth function， and search for “BTLD-158” and click it to contact.3. After finish contacting， the phone will voice prompt “The phone one contacted”.