Coby CVM225 Bluetooth Headset (Black) Bluetooth wireless communication micro headset, hands-free communication for Bluetooth-enabled cellular phones remarkably compact and lightweight design, comfortable earpiece fits securely in the left or right ear volume level and call answer controls, omni-directional microphone design for optimal voice pickup Bluetooth version 2.0, integrated rechargeable battery provides 4 hours of talk time and 50 hours of standby time for use with phone, laptop, PDA, (FCC, CE, RoHS, and WEE compliant)