Havit SK885BT Portable Colorful RGB Light Wireless Bluetooth v5.3 Waterproof Speaker_Black

-POWERFUL BASS EXCELLENT SOUND QUALITY -TWS INTERCONNECTION SURROUND STEREO SOUND -DYNAMIC LIGHT SHOW -11 HOURS BATTERY LIFE LARGE CAPACITY BATTERY Bluetooth Version:V5.3 Output power:8W Battery capacity:3.7V/1800mAh Frequency response:100Hz-20KHz Wireless operation range: 10m Input voltage: 5V/1A Material:ABS &TPU+metal mesh Play time:11H(70% volume) Charging time:about 3.5H Specifications: Warranty Warranty1 year