3D Surround RGB TWS Wireless Speaker is designed for immersive audio experiences anywhere. Specifications: Wireless Version: 5.0 Working Distance: ≤10m Battery :3600mAh Input:DC 9V Output:40W; S/N:≥80DB THD:≤5%; Response frequency:80Hz~16KHz Wireless Frequency :2.4GHz; Play time: 2-3Hours Charge time: 4-6Hours; Standby time: more than 10 hours Size:280*283*600*910mm Support:TWS/Wireless/FM/TF Card/AUX/USB