note1: when you order the product color is out of ｣ｬwe will send you other color in .good products hope you will like it!thanks a lot<br /><br />note2:  long press five seconds｣ｬ there are two beeps. first hear power on｣ｬ after hear pairing｣ｬ then let go<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<br /><br />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  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 /