Hapyia Hi-fi Waterproof Wireless Bluetooth Speaker with Power Bank, Built-in 7000mAh Rechargeable Battery and Enhanced Bass - Black Superior Stereo Sound: Experience your music in full-bodied Hi-fi crystal clear stereo realized through dual high-performance 10W(2*5W) drivers. Great for home tv set, parties, school ect. Bluetooth 4.0 Technology: Compatible with all bluetooth-enabled devices (iPhone 7 plus, iPad, Amazon Echo dot ect). Instantly connect to your smartphone of tablet from up to 33 feet away. It will reconnects automatically to the last device used. 3.5mm Aux-in cable for other non-bluetooth devices. Water Resistant IPX4: Splashproof, rainproof, dustproof, shockproof -- perfect for shower, beach, swimming pool, boating, kayaking, travel, hiking, camping ect. Please note Waterproof IPX4 rating speaker can resist gentle water spray & splash but cannot be partially or fully submerged. Incredible Battery Life: Up to 20 hours playtime powered by a built-in 7000mAh rechargeable lithium polymer battery. Also this speaker can use as a Power Bank to charge your other devices like cell phone, tablet. Five Stars Warranty For You: All products are produced under Strict Quality Inspection, it includes 30-day money back guarantee and 18 month Worry-Free Warranty, free life-time technical support and professional after-sales Team. Just take your Portable Bluetooth speaker Now.