Features 1、Supporting multiple music playing modes of TF card, BT, U-disk, and AUX. 2、Wireless BT easy connection has stable signal and powerful compatibility. 3、With DC5V and lithium battery dual methods for power supply, more convenience for indoor and outdoor usage. Specification 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 Package List 1 * Speaker 1 * Microphone 1 * USB Cable