Soundmy Portable Wireless Bluetooth Speaker with NFC waterproof dustproof and Shockproof for Indoor&Outdoor 3W Hi-def Bass with Rechargeable Longer Battery Time (Army Green) Universal wireless Bluetooth speaker work with iPhones, iPads, iPods, smart phones, tablets, MP3, MP4 players or any of your Bluetooth-enabled digital players Hi-Def bass gives you big sound through 3W audio drive in a small package; Delivers the rich bass and sound quality you want Waterproof, shockproof and dustproof; Rugged and durable silicone housing protects speakers from corrosion, shorting and tumbling off tables or counters; Waterproof level IPX5- Protected against low pressure water stream from any angle. (Not submersible) NFC technology - Tap-to-pair with NFC technology for easy and instant connection (If your bluetooth audio device has NFC function). Rechargeable battery for high definition seamless streaming, daylong playtime; USB charging