20W High Power Wireless RGB Karaoke Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless version:5.3 Working distance:10M; Horn size:78MM (Bass) 52mm (Tweeter) Input:DC5V 1A; Charging time:5H Output power:20W Music time:2-3H; Battery capacity:1800mAh; Wireless Frequency :2.402GHz-2.480GHz Frequency response: 120Hz～ 20KHz Functions:Wireless, USB, TF Card, AUX Memory capacity:32GB; Wireless protocol: A2DP、AVRCP、HSP、HFP