Rockpals Bluetooth Outdoor Speaker IP65 Waterproof Speaker Stereo Dual-Driver Speakers with Subwoofer built-in 4000mAh Power Bank Waterproof Speaker: IP65 Waterproof designed as a Outdoor Speaker and Shower Speaker - Unique Rugged Square Design with Splashproof&Shockproof&Dustproof& functions make it suitable for outdoors and shower. Speakers with Subwoofer: Rugged and enduring design with the best bi-directional sound quality for its size achieved through 2*5W driver and passive radiator,listen to high fidelity music when you are out hiking, camping or partying in the wild. Outdoor Speaker: Lasting Battery Life for Outdoor.Up to 8 hours of crisp, clean sound powered by the 4000 mAh rechargeable battery. Built-in Power Bank: Time Keeper has power bank function with 4000mAh battery.Allowing for simultaneous charging of your iPad, iPhone, Android, and more at high speed. Universally Compatible: Suitable for most Bluetooth-enabled devices. Such as iPhone 7 plus,7,6s plus 5S 5 4S and Android smartphones,Samsung Galaxy Phones and so on.Product comes with 12-month warranty. 24/7 customer service available.