2)Rechargeable lithium battery last for up to 7 hours

3)20inch retractable cord so there's never a tangle or mess

4)Perfectly portable so you can take it everywhere you go

5)Works on lapton,phone,MP3 players,ipod,ipad,and more  

   Music Bullet is the tiny, compact, portable and rechargeable speaker that can deliver sound much bigger than its size and has amazing bass. It works with any device that has a standard headphone jack.So you can turn up the volume on your iPod, MP3 players, iPhones, smart phones, cell phones, iPads, tablets, laptops, notebooks, handheld gaming systems and much more. You'll be able enjoy crystal clear sound and share your music with others when you like.              

The Music Bullet has a built in retractable 20″ headphone cord to let you easily connect it to your gagdets. You can recharge the battery by plugging it into a USB port on a computer,laptop or any other device with the included USB Charger Cable.