Adaptive Audio RGB Wireless Karaoke Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless Version: 5.3 Working Distance: ≤10m Battery :3600mAh Output:10W; Music Time: 4H Charge Time: 6H; frequency response:120Hz～ 20KHz; Speaker Type:52mm; Wireless Frequency :2.402GHz-2.480GHz Function:Wireless/TF/AUX/USB; Wireless Protocols :A2DP、AVRCP、HSP、HFP; Charge current:500mA-1000mA Size:95*95*205mm Weight:963.9g