1.Input voltage: 12-24V
2.Output voltage/current for charging function : Max 5V DC/3.1A (1A port + 3.1A port)
3. 3.1A port for car charger using
4.Support USB reading (1A USB port) /TF card
5.Display shows frequency and numbers
6.Frequency : 87.5-108.0 Mhz  
7.Support WMA/MP3 format songs
8.Support A2DP music playing
9.Support handsfree function
10.Car battery voltage display
11.Operation and condition voice prompt
12 DSP technology, full duplex,CVC nosie and echo suppression