Double USB charging ports for charging /, , , and other mobile devices (Output 5V/2.1A) LED Display the FM frequency Bluetooth hands-free kit, with built-in microphone Support USB flash drive. Answer/hang up the call Material:plastic Connect navigation Built-in intelligent microphone for excellent sound quality Automobile battery voltage detection Multi-mode charging-2 USB port and 2 lighter charger, can charge for mobile phone and car electronic products at the same time. Multifunction- Support voice navigation, U-disk, play mobile phone music and bluetooth hands-free calls. Switch to hands-free mode automatically from music playing status when receives an incoming call Support fast forward and rewind -Designed to adapt to your car or truck's cup holder, it can make your car much neater. Parament: Name: Bluetooth Car Lighter Voltage: 12~24V Output Power: 90W (Max) USB Output Current: DC 5V 2.1A Support music format: WAV, MP3, WMA ,FLAC Frequency: 87.5~108MHz LCD screen: 1.1 inch : 85dBA Transmission Distance: 5M Color: Black Package Contents: 1 x Car Charger Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.