The iDM11 is a uniquely attractive rechargeable mono speaker with Bluetooth and speakerphone capability that looks and sounds great anywhere. The speaker provides great sound that"s perfect for your music, games or apps. Auto-pairing and linking feature makes Bluetooth setup simple and fast. The built-in lithium-ion battery is rechargeable, so you can enjoy music on the go without worrying about batteries. Built-in mic, ATI SoundClear voice echo cancellation and answer and end controls make speakerphone use a pleasure. 2-in-1 audio/charging cable included.