ZEALOT S32MAX 20W Portable Bluetooth Speaker IPX5 Waterproof Outdoor Subwoofer (CE Certified) - Grey 57mm large-unit speakers,customized translucent bass diaphragms,and ZEALOT sound-enhancing technology deliver unimaginable subwoofer power 20W shocking high power,wide sound coverage,easily capable of outdoor play,home entertainment and other scenes Through the stereo enhancement technology,brings 360¡ã surround sound field,high bit rate transmission,fully retain the sound details,enjoy the acoustic experience like the scene Stunning highly saturated seven-color ambient lighting,a clever blend of visual and auditory,multi-dimensional feel the charm of music Newly upgraded BT 5.2 technology,stronger signal penetration,lower power consumption,lower latency,stable connection within 10m Support two speakers in series,left and right channel independent output,experience theater-level surround sound feast,to create more shocking stereo subwoofer Specifications: BT version: 5.2 Transmission range: 10m Battery capacity: 3600mAh Speaker size: ¦µ57mmx2 Charging voltage: DC 5V Frequency response: 20Hz-20kHz Speaker power: 20W Working voltage: 3.7V Distortion degree: