REMAX RB-M2 Wireless Portable Speaker 8W Bluetooth 5.4 IPX5 Waterproof Loudspeaker - Blue ???Powerful Sound?? 8W speaker with 40mm independent subwoofer delivers prominent bass and clear vocals for an immersive audio experience ???Premium Design?? Specially designed surface with a soft,smooth feel enhances texture and user experience ???Advanced Connectivity?? Bluetooth 5.4 ensures stable and fast connection,connecting in seconds after startup ???Versatile Use?? IPX5 waterproof and sweatproof rating allows for easy enjoyment of music both indoors and outdoors ???Clear Communication?? Noise-cancelling microphone enables smooth and easy conversations ?Specifications: ?Material: Plastic ?Bluetooth Version: 5.4 ?Supported Protocols: A2DP,AVCTP,AVDTP,AVRCP ?Transmission Distance: 10M ?Working Voltage: 3.7V ?Impedance: 4|? ?Speaker Power: 8W ?Battery Capacity: 1200mAh ?Charging Time: Approx. 4 hours ?Playback Time: 3h 50m (100% volume),12h 30m (50% volume) ?Standby Time: Approx. 40 hours ?Waterproof Rating: IPX5 Package included: ?1 x Speaker ?1 x Cable ?1 x English and Chinese User Manual