VicTsing Bluetooth Speaker Waterproof Portable Outdoor Speaker with Bass, Stereo Sound, 7 Hours Playtime 5W Driver Color: Black Speaker Type: Bluetooth Speaker Specification: Specification: Bluetooth Version: Bluetooth V3.0 Input Voltage: DC-5V/1A Output Power: 5W RMS Battery:3.7V/800mAh Pairing Range: up to 10 meters Playing Time:more than 7 hours at 70% volume (depends on different music) Standby Time:1688 hours Charging Time:3~4 hours Material: ABS/ aluminummesh/silicone ProductDimension: 82.3mm (W) x 94.9mm (D) x 39.5mm (H) Net Weight: 145g Package Included: 1*VTIN PoPer Series Speaker 1*AUX Audio Cable 1* Mini Strap 1* USB Charging Cable 1* User Manual Connectivity: Pairing Range: up to 10 meters Wireless Technology: Bluetooth Bluetooth Version: 3.0 Operating Range: Pairing Range: up to 10 meters Playback Time (up to): Playing Time:more than 7 hours at 70% volume (depends on different music)