Manhattan 178136 Flyte Wireless Headset White On-ear, adjustable design Built in, recessed microphone Soft, comfortable earpads Collapses for easy storage and carrying Flat USB and 3.5mm audio cables Hands-free Profiles: A2DP, AVRCP, HS/HF Bluetooth Codec: AAC, APC, ATPX Working Band: ISM 2.402 - 2.480 GHz Transmit Power: 4 dBm (Class 2) Battery: Internal rechargeable lithium alloy Sensitivity: -88dbm (typical)