Features:
1: Suitable for all types of vehicles.
2: Digital display.
3: Dual USB charging port maximum output 5V / 2.4A
4: Support for Apple mobile phones and Apple tablet charging
5: Support for stereo FM transmitter technology
6: Support external USB disk
7: MP3 format music files.
8: Automatic power-off memory function
9: direct car cigarette lighter to take power
10: Bluetooth Bluetooth V4.2
11: Bluetooth hands-free call
12: Support for Bluetooth stereo music DSP technology
13: Battery voltage detection

Technical Parameters:
Rated working voltage: 12V~24V
Limit working voltage: 10~26V
Operating temperature: -10~50 degrees
Support playback format: MP3
USB charging: A total of 2.4A / 5V (dual USB) maximum output
U disk: 1GB~32GB
Frequency response: 20Hz-15Khz
Bluetooth version: Version 4.2
Bluetooth sound processing: With DSP technology and A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distance: Within 10M
Bluetooth microphone effective distance: 0.5 ~ 2M
FM transmission frequency: 87.5 ~ 108Mhz