... profile witn CE/RoHS/Fcc/BQB approved! HeadWearing Stereo Bluetooth Headset Compatible with all bluetooth cell phones,it beautifully works ... noise2). Crystal clear sound with DSP3). Support A2DP,AVRCP,headset,handfree profile4). Redial the last call ,Reject call.Volume ... connecting,clear sound,anti-interference.6). Listen to MP3 music from cellphone.7). Listen to stereo music from PC.8). On-line ...