... batter 1.Support MP3 format music2.Reading TF card and USB flash drive available3.Repeat one, repeat all, random, normal ... notebook,PC,iPhone,mobile,MP3,MP4 etc8.Earphone connectivity available9.Bluetooth playing music with mobile, Ipad and other electronic products ... etc.10.Transmission max distance :10MAccessories: USB cable + 3.5 mm AV cable KAIDAER Bluetooth speaker