Color/Finish: Blue Connection Method: Bluetooth Connection, Interface Type Usb. Input: Dc5v, 1A-2A Product Size: 4 Inch 3.5 Inch 8.6 Inch Working Distance: 10M Current: 5W Charging Time: Charging For About 3 Hours Playing Time: About 5-8 Hours Battery Capacity: 1200 Mah Power Supply: Built-In Lithium Battery Features: Bluetooth 5.0 Fm Radio Tf Card Aux Cable Hd Microphone Usb Flash True 360 Sound Product Function: Mode Conversion, With Radio Function, Switch Songs, Play, Pause, Call, Insert Tf Card. Play Method: Bluetooth Connection, Insert Memory Card / U Disk, Audio Cable To Connect To The Computer And Other 4 Playback Methods