Woozik S29 Portable Indoor/Outdoor Bluetooth Speaker with Back-Lit LED Light and FM Radio Function Bluetooth 2.1 technology; Wirelessly stream music from any Bluetooth enabled device Built-in 1800 mAh lithium rechargeable battery offers up to 6 hours of music playback Aux Line-In input and SD card slot for instant Music play from an alternate source Tune in to you favorite FM station with the built-in tuner function Stylish Faux Leather design with Back-lit LED glow light and convenient carrying strap