DLAND Bluetooth Visor Multipoint Speakerphone Car kit - Wireless Handsfree Speaker for most All Bluetooth-enabled Cellphone With the condenser microphones, get a clear voice, can extreme reduce the echo With High Definition Speaker, let you more clearly listen to the voice come from others With the 2 W digital amplifier, which can guarantee the sound pressure of the call, you can clearly listen to the other??s voice even though it is not very quiet in the Cockpit. With the 500mAH built-in lithium battery, you can constant talking as long as 20 hours, and it??s standby time is two weeks Easy use operation and convenient to use, you can clip this product on the Sun visor, you can easily finish the steps of picking the call up