• Sunix ANC+ENC 300 mAh Wireless 5.4 Over Ear Bluetooth Earphone Brown BLT-100 Wireless Version: Wireless 5.4 Drive Diameter: 40mm Charging Port: Type-C Battery Capacity: 300 mAh Battery Type: Polymer Battery Play Time: 15 Hours Charging Time: 1.5 Hours Wireless Range: 10m Impedance: 32 0hms Sensitivity: 110Db +3Db Frequency Response: 20Hz-20Khz ANC Noise Value: 20 +2db