Sharkk Boombox Bluetooth Speakers 18+ Hour Battery Life 10W NFC Capable Portable Wireless Bluetooth Speaker BOOMING SOUND  The Sharkk Boombox Bluetooth speaker has booming clear sound that rivals Beats and Jambox for half the price! BATTERY LIFE & MICROPHONE  With one full charge the battery will last for 18+ hours. LED indicators let you know when the battery needs to be recharged. The built-in microphone works for hands-free phone calls for Apple iPhone and Android devices. DARK ROOM DISPLAY  Built-in sensors automatically illuminate the buttons so you can play and pause, adjust the volume, answer phone calls and more in a dark room. CONNECTION & RANGE  Connect your iPhone or Android device via the Bluetooth 4.0 or NFC. The Sharkk Boombox has a connection range of up to 30 feet. INCLUDES  Boombox 10 watt portable Bluetooth speaker, charger, manual and carrying pouch.