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 IPX4 that is not available to totally immersed into water<br />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<br />New 2 in 1 function. Powerful 3600mAh built-in polymer lithium battery provides up to 10 hours of playback time， a standard USB jack can be used as a power bank， that you can enjoy your music the same time power your electronics<br />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<br />Built-in Bluetooth Technology - Stream Music Wirelessly - Works with Virtually any Bluetooth-Enabled Device (Smartphones， Tablets， PCs， MP3 Players， etc.)<br />Size: About 66 * 66 * 170mm<br />Bluetooth solution: CSR4.0<br />Connection: NFC， Bluetooth 4.0<br />Waterproof grade: IPX4<br />Output power: 5Wx2<br />Frequency response: 20Hz~20kHz of<br />Battery: Lithium Battery 3600mAh 3.7V<br />Bluetooth Range: 10 m<br />Main features: Bluetooth audio player; phone functions; AUX player<br />Package:<br />1*Speaker<br />1*Carabine<br />1*Audio Cable<br />1*USB Cable<br />1*English Manual<br /><img src="http://img6.eachbuyer.com/x9/p100/ci093_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ci093_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ci093_3.jpg" />