Charge 4 Waterproof Portable Bluetooth Speaker White

Built-in 7500 mAh rechargeable battery supports up to 20 hours of playtime
Bluetooth V4.2 wireless technology supports hands-free function
Splash-proof technology to make devices water resistant
Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound
Anti-clipping function gives you the freedom to play your favourite tracks loud without any distortion