Fill the room with unrivalled sound with the SHARKK Boombox Portable Bluetooth Speaker. Complete with 10 watts of sound provided by two 5W loudspeakers, this speaker uses the latest Bluetooth and NFC technology for a seamless wireless connection to your device. The built in high definition microphone also gives you the ability to take calls and go straight back to your music without missing a beat. Great for a weekend trip, tunes at the office, or some music at home, the rechargeable battery will last for an amazing 18 hours. On the top of the SHARKK Boombox are controls to adjust the volume, change tracks, play and pause, and switch to phone mode. These buttons are also illuminated so you can crank the tunes even in the dark.