Feature: 1.Four play mode:bluetooth play,AUX play,TF card play,USB play. 2.Dual USB port charging. 3.Output power is 2.1A,fast charging speed. 4.You could play music in your phone by connecting this unit via Wifi. 5.Voice announcements. 6.This unit also has FM launch function. 7.You could insert the TF card or USB disk. 8.Answer the phone call by press one button. How to match: 1.Start the car.Insert the bluetooth MP3 to cigarette hole. 2.LED display screen.Red and blut button lights flashing for pairing mode. 3.Open phone bluetooth.Search A7 and pair. Package Included: 1 X Main Unit 1 X Audio Cable 1 X User Manual Specification: Model A7 Bluetooth Receiver Sensitivity -85DBM sensitivity Working Voltage 12V-24V SNR SNR>93DB Max.Working Voltage 9V-28V Microphone Distance 0.5-2M USB Output 5V/2.1A Working Temperature 0-50℃ TF Card Format MP3 WMA Distortion Rate
