Waterproof Bluetooth Speakers Wireless Portable Dustproof Shockproof Bass Subwoofer for 10 Hours Playing Time Compatible with iPhone,iPad,Samsung,Andriod Smartphone,Tablet,Nexus,MP3 and More Devices(Blue) Dear Buyer, Please Recognize the Imarku inc trademark. The Products without the Trademark is Counterfeit. Imarku Seller is Only a Genuine Seller Waterproof, Dustproof and Shockproof wireless Bluetooth speaker, metal and silicone housing design made it anti-skid, you can take it into the bathroom, waterproof grade IPX5 that is not available to totally immersed into water Features Near Field Communications (NFC) technology which allows for easy, one-touch pairing by simply tapping your NFC-enabled Bluetooth smart device on the speaker Bluetooth 4.0 and CSR chipset connects faster, more stable, compatible with all your Bluetooth-equipped devices, and an excellent Bluetooth range about 30 feet Built-in Bluetooth Technology - Stream Music Wirelessly - Works with Virtually any Bluetooth-Enabled Device (Smartphones, Tablets, PCs, MP3 Players, etc.)