Model : HiTune T2 Bluetooth Version : Bluetooth 5.0 Profiles : HSP, HFP, AVRCP, A2DP Codec : AAC, SBC Frenquency Response : 20Hz-20KHz Speaker Sensitivity : 102±3dB Microphone : 4 MEMS Microphone Microphone Sensitivity : -21 ±3dB Noise Cancellation : ENC Noise Cancelling Waterproof : IPX 5 Charging : USB-C / Wireless Charging