... .3. Built-in lithium battery.4. Support A2DP,AVRCP,headset,handfree profile5. Support Hands free with Noise cancellation and echo suppression Specifications:1 ... weight: 230g12. Color: Black,Red,Blue,SilverAccessory:1. USB Charging line.2. PC audio cable.3. User guide. 2012 Newest Portable Bluetooth Speaker,Portable Mp3 Mini Speakers