OxyLED ST-02 Mini Colorful Stage Light, Rechargeable Stage Lamp, Bluetooth/USB/Line In/TF Card Mode Music Playback for Ball/Party/Festival/Decoration 4 BRIGHT COLORS: 4 stage lighting effects, red, green, blue, purple LED colors BUILT-IN DUAL SPEAKERS: quality music sound player, music playback with voice prompt function RECHARGEABLE: Built-in rechargeable 1000mAh battery, up to 3 hours of continuous play time per full charge, or power by connecting to USB socket PORTABLE & LIGHTWEIGHT: sleek, compact design, fits in your bag MULTI-CONNECTION: supports Bluetooth/USB/Line In/TF card mode