Toast Portable Wireless Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless Version: V5.3 Working Distance:10M; Frequency response:120Hz～ 20KHz; Working frequency： 2.402GHz-2.480GHz Wireless Protocol： A2DP、AVRCP、HSP、HFP Speaker Type:52MM; Output: 5W Battery:3.7V/1200mAh Talk Time:2H Standby time: 3H Charging Time: 3H; Charge port:Type-C DC5V， 500-1000mA; Weight： 253g Size:92*93*51MM