... A2DP,AVRCP,headset,handfree profile Portable Bluetooth Speakers Function:1. Bluetooth synchronous broadcasting function2. Compatiable with bluetooth phones, MP3/MP4/CD/PC ... A2DP,AVRCP,headset,handfree profileSpecifications:1. Bluetooth protocol: version 2.1+EDR2. Bluetooth range: 10meters.3. Input sensitivity: ... audio cable.3. User guide. 2012 New Portable Bluetooth Speakers,Mini Mobile Speaker