BS53 Manhattan, wireless speaker, BT v5.1, with 3600mAh battery, for 4 hours of work, supports BT, FM, TF, USB, AUX playback modes, with two wireless microphones 1. Sizes: 340*300*630mm. Weight: 5.8kg. 2. BT 5.1, chip: Blue trum. 3. Battery capacity: 3600mAh, charging for about 4 hours. 4. Use time: 4 hours. 5. Speaker: 2*8-inches full-frequency speakers. Power: 2*20W. 6. Supports BT, TF card, USB flash drive, AUX, FM and other modes. Supports loop recording and playback, support microphone ducking. 7. Two wireless microphones included, supports wired microphone input. A variety of flashing modes.