1.1.5?65K and 1.8" TFT display with wireless FM transmtiter + FM radio + built-in louder speaker 2.MP4/MP3/WMA player, USB storage disk(USB2.0 interface), Voice recorder, line-in recording 3.Support MP1,MP2,WMA,MP3,WMV,MAV,ASF format, Support Multi-language display 4.Picture browse, TXT reader, movie playing 5.Charged by car lighter or USB port .Powered by built-in 3.7V/280MHA Li-ion battery 6.Transmitter playing time >4 hourse,playing music time>7 hours,Distance for transmitting: 3 meter 7.Transmitter frequency: 87.5-108Mhz 8.SRS WOW (3D) virtual surround sound; ear protection technology 9. Max. support 8GB memory