1. Waterproof｣ｬ Dustproof and Shockproof wireless Bluetooth speaker｣ｬ metal and silicone housing design made it anti-skid｣ｬ you can take it into the bathroom｣ｬ waterproof grade IPX54 that is not available to totally immersed into water.<br />2. Features Near Field Communications (NFC) technology which allows for easy｣ｬ 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｣ｬ a standard USB jack can be used as a power bank｣ｬ that you can enjoy your music the same time power your electronics.<br />3. Bluetooth 4.0 and CSR chipset connects faster｣ｬ more stable｣ｬ compatible with all your Bluetooth-equipped devices｣ｬ and an excellent Bluetooth range about 30 feet. It pairs easily with your smartphone｣ｬ iPod iPhone iPad or other Bluetooth devices. And it remembers the most recent six devices you've used｣ｬ so reconnecting is even simpler.<br /><br />How to correctly open the bluetooth of the speaker?<br /><br />First｣ｬ you should press the &quot;power on&quot; key for 2 seconds.Then you will hear &quot;power on&quot;｣ｬ but you should keep pressing the key at this time. After 5 seconds｣ｬ you will hear &quot;pairing&quot;｣ｬthat means the bluetooth of the speaker has been opening. <br /><br />Specifications<br /><br />Cabinet Material: Metal<br />Remote Control: No<br />Bluetooth Resolution: CSR 4.0<br />Connection: 3.5mm auxiliary input/ Bluetooth<br />Water Resistance: IPX4<br />Output Power: 3WX2<br />Charging Output: 5V 1A<br />Frequency Response: 20Hz~20kHz<br />Battery Li-ion: 3.7V<br />Battery Capacity: 3600mAh<br />Audio input: 3.5mm auxiliary input and power connector<br />Power lndicator Light: Blue lights<br />Range: up to 33 feet<br />Weight: 440g<br /><br />Product Information<br />Product Dimensions: 2.5 x 2.7 x 6.7 inches<br />Item Weight: 1.4 pounds<br />Shipping Weight	: 1.4 pounds (View shipping rates and policies)<br />Manufacturer: ELEGIANT CO.｣ｬLTD<br />ASIN	: B00VE6SQQY<br />Item model number: ELEGIANTMDARH65xu<br />Batteries: 1 Lithium ion batteries required.<br /><br /><br />Package includes<br /><br />1X Bluetooth Waterproof Speaker<br />1X USB Charging Cable<br />1X 3.5mm Auxiliary Cable<br />1X Carabiner Clip<br />1X User's Manual