Features:
Small size, suitable for most vehicle models.
Support Bluetooth 4.0 / 3.0 / 2.0 connection. Support operation voice prompts, caller ID.
Intelligently identify Android / Apple phones and other devices.
Charged via USB port, the maximum output current is 2.1A
Support full-frequency FM transmitting function, with all 208 frequency channels.
Support digital screen display
Support external TF card / U disk.
Support MP3 SBC WAV WMA FLAC APE lossless music playing
Support answering, hanging up, rejecting, re-calling functions
Adopt echo cancellation and CVC technology
Support automatically power off memory function
Bluetooth stereo A2DP music playing
Can connect two phones at the same time
Can monitor automotive battery voltage

Specifications:
Size: 7 * 4 * 4cm / 2.76 * 1.57 * 1.57inch
Rated Working Voltage: 12V- 24V
Max Working Voltage: 9V- 28V
USB Output: 5V/2.5A
Memory Card Support Music Playing Formats: MP3 SBC WAV WMA FLAC APE
Bluetooth Version: Bluetooth V4.0+ EDR baseband and modem
Bluetooth Range: 10m
Bluetooth Transmitting Power: Class 2 and Class 3
Bluetooth Receiving Sensitivity: -85dBm
SNR: ＞93dB
Microphone Effective Range: 0.5-2m
Working Temperature: 0-50℃
Distortion: ＜0.1%
Frequency Response: 20Hz-15 KHz
FM Transmitting Frequency: 87.5Hz-108MHz
Frequency Transmitting Mode: Digital Stereo PLL
Package Weight: About 62g

Package List:
1 x FM Transmitter
1 x Audio Cable