SHELFBOOM Wireless Speaker System with Rechargeable Battery & Built in Microphone Stereo Bluetooth DESIGNED WITH EASE OF USE IN MIND SHELFBOOM is a snap to sync and simple to operate. Setup is SUPER EASY, and it pairs quickly with all your apple, iPhone, iPad, smartphones, tablets and laptops. Plus enjoy HANDS FREE CALLS with the built in microphone - perfect for phone calls or Skype OUR BIGGEST AND MOST POWERFUL BLUETOOTH SPEAKER A huge 22 Watts of sound. Whether it's for a party, movie, gaming, the office, camping, travel, car, boat, or a picnic - enhance your surroundings with crystal clear music with a BIG BASS sound anytime. BEST QUALITY SOUND AND LATEST TECHNOLOGY you'll not only be amazed at how loud this speaker gets, but at the clarity of its highs, mids and BASS. Its strong case and state of the art components means even at full volume there's almost no distortion. This speaker has Bluetooth V4.0, NFC and quality CSR chip LONGEST BATTERY LIFE allows the party to go on for hours and SHELFBOOM can be played while being charged.