... the music by BT to the speaker Line in, apply to PC,mobile phone,mp3.mp3, ... etc Specifications Portable size Built-in bluetooth RF wireless module Metal cabinet,rechargeable battery ... ,ect1.Mini Multi-function speaker with bluetooth2.Built-in Bluetooth RF wireless module,meets the latest Bluetooth ... : 0.28kg Wireless rechargeable portable,mini bluethooth speaker for iphone&ipad&PC