This product is a special Bluetooth car charger that can switch the call to the handsfree state via the professional Bluetooth module as long as the mobile phone is provided with the Bluetooth function. When the call is finished it will be switched to play music automatically. It can also send the music which is in your phone to your car speaker wirelessly.
Features: LED display window can show the information clearly. Support Bluetooth handsfree. Support Bluetooth stereo music to play. Adopt Call Echo Cancellation and Noise Reduction (CVC) technology. Dual USB output voltage providing powers to other devices which is up to 5V/3.1A. Support Bluetooth stereo music to play. FM transmitter can transmit music files to car stereo wirelessly. Auto memory power-off function.
Specifications: Rated working voltage: 12V Limit working voltage: 9-26V USB output: 5V/3.1A Working temperature: 0-50