SINOBAND is the ONLY legal manufacturer of the S400 speaker. You can see the clear brand name on the speaker, dont believe those plagiarists who even have no clear logo on the speaker. Do not be fooled or overcharged, buy only the ORIGINAL.</br>Jaw-dropping Sound Quality and Volume, it will deliver the rich bass and sound quality that you crave. Super bass and high high-fidelity audio, enjoy the music at all frequency with pleasure.</br>New 2 in 1 function. Powerful 7000mAh built-in polymer lithium battery provides up to 20 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. Be careful, the original SINOBAND battery is 7200mAh, not 5200mAh or less. The play time also tells the big difference(Another way to differentiate the counterfeits).</br>Advanced Bluetooth 4.0 Technology and CSR chipset connects faster, more stable, compatible with all your Bluetooth-equipped devices, and an excellent Bluetooth range about 49.2 feet so you can control your music in an appreciable distance, such as the open-air yard.</br>Built-in noise reduction microphone and additional speakerphone function free your hands for the phone calls.</br></br>Product Description</br></br><b>Where there is Sound, there is SINOBAND!</b> <br> <br> <b>Here comes the multi- functional and practical Bluetooth speaker SINOBAND S400!</b> <br> <br> <b>For Music Friends</b> - Music should never stop. <br> It makes up of aluminum alloy chamber and silicone enclosure that happened to speciality of waterproof, dustproof and shockproof. So that you can take it everywhere you want to carry with, even in the bathroom, enjoy the music without limited. Also there is a metal hook make it easy to carry with, when you are sporting or climbing. The pentagon cylinder profile that you can put it across or stand at liberty. Meanwhile, the package will include a carrying bag. <br> <br> <b>Multi- function</b> - Make life more convenient. <br> The new 2 in 1 function. On one hand, S400 is an excellent wireless Bluetooth speaker, it has the newest Bluetooth CSR 4.0 technology that can easily connects with all your Bluetooth-enabled devices, and 49.2 feet Bluetooth range you can control your music in a long distance. Powerful dual 3 watt drivers deliver lossless high and bass, the high can fill a large room with music. On the other hand, S400 has a 7000mAh high capacity polymer lithium rechargeable battery and a standard USB jack can be used as a power bank, you can enjoy your music and charge your devices the same time, make it more convenient for outdoor activities. <br> <br> <b>One-key dial-up.</b> - Just press the dial button twice, the speaker will automatically dial up your last contact person. <br> <br> <b>One-key reset.</b> - If a fault happened to your speaker just press the reset button. <br> <br> <b>What's in the Box:</b> <br> 1*Speaker, 1*USB Charging Cable, 1*3.5mm AUX Cable, 1*User Manual, 1*Quality Pouch Case ($7 in value) <br> <br> <b>100% Money Back and 100% Satisfaction Guarantee from SINOBAND</b></br><br/>http://www.amazon.com/gp/product/B00R43OK66