Outdoor Camping Lights Wireless Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless Version: V5.3 Working Distance:10M; Frequency response:65Hz-20KHz Working frequency： 2.402GHz-2.480GHz; Wireless Protocol： A2DP、AVRCP、HSP、HFP; Speaker Size:2*52MM Output: 15W Battery:3.7V/3600mAh Talk Time:4H; Usage endurance:4H Lighting endurance:24H Charging Time: 6H; Charge port:Type-C DC5V/500mA Weight： 834g Size:105*105*205MM; Max supported memory card capacity: 32GB