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><strong>Features:</strong> <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><strong>Specifications:</strong> <br>Bluetooth version￡oV4.0+EDR <br>Bluetooth name: PT-390A <br>Profile supported￡oA2DP￡? AVRCP￡? headset￡? handsfree <br>NFC technology: Near field communication <br>Frequency￡o2400-2483.5MHZ <br>Operation range￡o10m / 32.80ft <br>Protection rating: IPX5 <br>Work time￡oApprox. 10 hours <br>Standby time￡o?Y90 hours <br>Charge time￡o3-4 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￡o641g / 1.414Lb <br><br><strong>Package List:</strong> <br>1 * Bluetooth speaker? <br>1 * USB cable? <br>1 * 3.5mm jack audio cable <br>1 * Carabiner <br>1 * User manual (English)