Dual USB Car Charger Bluetooth FM Transmitter Hands Free Car Kit Support TF Card / U Disk Play

• Car charger function with two USB port, it can charge two devices at once

• 3.1A output to charge your devices at a fast speed

• Display shows frequency/car battery voltage

• Support Bluetooth hands free function

• Support TF card / U disk play

• Fits all kinds of vehicles with 12-24V power socket

Specification:

• Rated working voltage: 12V-24V

• Ultimate working voltage: 9V-28V

• USB output: 5V/3.1A

• Memory card playback format: MP3/SBC/WAV/WMA/FLAC/APE

• Bluetooth version: V4.2+EDR

• Transmission distance: 10M

• Bluetooth transmit power: class 2 and class 3

• Bluetooth receive sensitivity: -85dBm

• SNR: >93dB

• Microphone effective distance: 0.5-2M

• Operating temperature: 0~50 Degree

• Distortion: <0.1%

• Frequency response: 20Hz-15KHz

• FM transmitting frequency: 87.5~108MHz