Wireless Bluetooth 4.0 and NFC connectivity that will work anywhere directly from your smartphone， MP3， tablet or laptop up to 30ft.Built-in 3600mAh battery， can use as power bank to charge your phone or other device while you are enjoy the music.<br> <br> Features:<br> Wirelss Bluetooth 4.0 and NFC connectivity that will work anywhere directly from your smartphone， mp3， tablet or laptop up to 30ft.<br> Built-in 3600mAh battery， can use as power bank to charge your phone or other device while you are enjoy the music.<br> Perfect tone quality， pure， clear and clean.<br> Smart voice system timely reminds you of incoming calls.<br> Built-in high definition microphone enables you receive calls easily and makes your hands free.<br> Long working time approximate 10 hours， Micro USB interface， easy to charge.<br> Equipped with a carabiner so that it can hold on to your bag or bicycle in travel.<br> Silicone protection， shockproof and water-resistant， very portable for outdoor activities.<br> <br> Specifications:<br> Bluetooth version：V4.0+EDR<br> Bluetooth name: PT-390A<br> Profile supported：A2DP， AVRCP， headset， handsfree<br> NFC technology: Near field communication<br> Frequency：2400-2483.5MHZ<br> Operation range：10m / 32.80ft<br> Protection rating: IPX5<br> Work time：Approx. 10 hours<br> Standby time：≥90 hours<br> Charge time：3-4 hours<br> Color: Black， red， army green， blue (optional)<br> Item size: 6.6 * 6.6 * 17cm / 2.59 * 2.59 * 6.69in (L * W * H)<br> Item weight: 467g / 1.029Lb<br> Package size: 20.8 * 7.8 * 7.3cm / 8.18 * 3.07 * 2.87in (L * W * H)<br> Package weight：641g / 1.414Lb<br> <br> Package List:<br> 1 * Bluetooth speaker<br> 1 * USB cable<br> 1 * 3.5mm jack audio cable<br> 1 * Carabiner<br> 1 * User manual (English)<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>