Bluetooth: V4.1+EDR Profile Support: HSP/HFP/A2DP/AVRCP Frequency Response:20—20000Hz Impedance: 16Ω Sensitivity(SPL): 92±3db Bluetooth profiles: HPP.HSP.AVROP.A2D Operating distance: up to 10m (free space) Talk/Music time: up to 6 hrs Standby time: 200 hrs Charger time: 2 hrs