Features:  Supporting multiple music playing modes of TF card, BT, U-disk, and AUX.  Wireless BT easy connection has stable signal and powerful compatibility.  With DC5V and lithium battery dual methods for power supply, more convenience for indoor and outdoor usage.  Cordless speaker with large capacity built-in lithium battery, long standby time.  4-inch full-frequency large caliber horn can produce powerful sound quality and 360 ° stereo surround sound.  Small in size and light in weight and has a ergonomic handle design, the speaker is easy to carry around.  Made of high quality materials, which is anti falling, heat resistance and corrosion resistance.  Widely compatible with intelligent playback devices, such as computer, TV, tablet, mobile, musical instruments, etc.    Specifications:  Color: Black / Blue / Red (Optional)  Material: ABS  Distance: <15m  Horn Unit: 4-inch full-frequency horn  Sound Channel: Stereo  Power: 5W  Battery Capacity: 1200mAh  Support Mode: TF card, microphone, U-disk, MIC, AUX  Microphone Size: 170 * 40mm / 6.69 * 1.57in  Item Size: 230 * 160 * 95mm / 9.06 * 6.30 * 3.74in  Item Weight: 445g / 15.67oz  Package Weight: 526g / 18.57oz  Package Size: 23.5 * 17 * 10cm / 9.25 * 6.69 * 3.94in    Packing List:  1 * Speaker  1 * Microphone  1 * USB Cable