Specifications:1.Color: Black2.Material: ABS(Acrylonitrile Butadiene Styrene)3.Bluetooth IC: CSR 2.14.Frequency: 87.5-108.0 MHZ5.USB Input: 12-24V6.USB Output: 5V\/1A7.Music Format: MP3\/WMA Format8.USB (Maximum support): 32GB9.Transmitting Distance: >10MFeatures:1.Built-in bluetooth for hands-free phone callings and music player in car.2.Support USB SD\/TF MMC devices with 3.5mm AUX-in connector.3.Compact design、 easy to upgrade to the original.4.Pairing、 easy collocation、 no pairing code、 it is not necessary to completely matching the output of the master key.5.Support common functional control functions(such as the play\/pause; song before、 the next6.Car charger for most mobileBluetooth Connection:1.Connection method: Open the car kit's bluetooth、 then use cellphone search for car kit's bluetooth、 after successful search for the bluetooth name、 and connect with it、 enter the password.2.Compatibility: All bluetooth versionPackage Included:1x Wireless bluetooth car kit(The others are not included)