Ourdoor Bluetooth Speaker: Lasting Battery Life for Outdoor.Up to 8 hours of crisp clean sound powered by the 4000 mAh rechargeable battery.You can enjoy HD clear music even in the noisy outdoor square.</br>Built-in Power Bank: marsboy Outdoor Bluetooth Speaker has power bank function with 4000mAh battery.Allowing for simultaneous charging of your iPad iPhone Android and more at high speed.</br>Waterproof Bluetooth Speaker: IP65 Waterproof designed as a Outdoor Bluetooth Speaker and Shower Bluetooth Speaker.Unique Rugged Square Design with Splashproof&Shockproof&Dustproof& functions make it suitable for outdoors and shower.</br>Bluttooth Outdoor Speakers with Subwoofer: Rugged and enduring design with the best bi-directional sound quality for its size achieved through 2*5W driver and passive radiatorlisten to high fidelity music when you are out hiking camping or partying in the wild.</br>Universally Compatible: Suitable for most Bluetooth-enabled devices. Such as iPhone 7 plus76s plus 5S 5 4S and Android smartphonesSamsung Galaxy Phones and so on.Product comes with 12-month warranty. 24/7 customer service available.</br></br>Product Description</br></br><b>marsboy Ourdoor Bluetooth Speaker?? Built-in 4000mAh Power Bank Portable Wireless Bluetooth Speaker??IP65 Waterproof Bluetooth Speaker??Stereo Subwoofer Dual-Driver Bluetooth Speaker??for Outdoor/Shower</b><br> Outdoor IP65 Bluetooth Speaker with power ban.<br> Dust??Shock and Water Resistant.<br> 4000mAh rechargeable battery.<br> Support Hands-free function.<br> Support Bluetooth and AUX playing.<br><br> <b>X-BASS Stereo Sound</b><br> Good high frequency<br> Rich median frequency<br> Shocking low frequency<br><br> <b>Play from sunrise to su