BrandAweiENC StatusANC | ENC | ANC noise reduction depth:>-35dBBluetoothVersion 5.4 | Supported protocols: A2DP, AVRCP, HSP, HFP | Maximum transmission distance: 10m | Ultra-Low Power Consumption | Low Sense DelayCharging InterfaceType-CModelT56 ANCCallingYesDriver Size10mmPlaytimeTalk Time: 4 Hours | Music Time: 5 HoursBattery InfoCase Capacity: 500mAh | Earbuds Capacity: 35mAh | Charging time of charging case: 2.5hOther Features / InfoDimension: 60*45*20mm | Touch Color Screen (Language Switching, Timeset, Volume Adjustment) | LED Earbuds Indicator | Adjustable Intelligent night Light