Bluetooth version: ISSC4.1 + EDR Support Profiles: HSP, HFP, A2DP, AVRCP. Profile and Advanced Audio Distribution Profile(A2DP) Operation Distance: 10m; Transmitting Power: Class 2 Frequency Range: 2.4026 GHz-2.480 GHz Resistance: 32ohm Sensitivity: 105dB+ / - 3dB Rechargeable lithium...