40W RGB LED SuperPower Wireless Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless Version: 5.1+EDR Frequency: 2.402GHz-2.480GHz TYP: -80dBm; Range： 10m; Max power: 40W （ 2x20W）， TOP 60W Power amplifier type: Class-G; S/N: ≥85db; Frequency response: 60Hz～ 20K Hz Speaker： 2×8 inch 4Ω15W FR+2x5W HP Battery： 18650 7.4V 3600mAH; Playing time: 2-3H Charging Time: 4-5H; Microphone： 231.4/239.4MH Double V wireless， 20; meters max; Size: 320.0*297.0*622.0mm; Weight： 6.15 kg