OPPO Enco Air 4 TWS Bluetooth Earbuds 32dB ANC Dual Mic AI Call Noise Reduction 12.4mm Titanium Diaphragm 43H Playtime Bluetooth5.4 IP55 for Commute Sport Gaming Online Meeting

Product Name : OPPO Enco Air4Color : Silky White / Fresh MintChipset : BESModel : ETEE1Smart Adaptive Noise Cancallation : Up to 32dBTransparency Mode : YesDriver : 12.4mm Dynamic DriverDriver sensitivity : 112±3dBFrequency response range : 20Hz - 20kHzMicrophone sensitivity : -38dBV/PaMicrophones : 2 Mics per sideBluetooth® codec : AAC/SBCBluetooth® version : Bluetooth 5.4Bluetooth® range : 10mGoogle Fast Pair : SupportDual Connection : SupportBattery type : Rechargeable Li-ion CellBattery capacity : 58mAh (Earbuds) / 440mAh (Charging Case)Music playback (AAC , 50% volume)ANC OFF : 12h (Earbuds) / 43h (Earbuds+Case)ANC ON / Transparency mode : 8h (Earbuds) / 28h (Earbuds+Case)Charging Interface : USB Type-CFast-Charging : 10 mins for 4 hours (Earbuds, 50% volume, AAC, ANC OFF)10 mins for 11 hours (Charging Case + Earbuds combinded, 50%volume,AAC,ANC OFF)Charging time: 60min (Earbuds) / 80min (Earbuds + Charging Case)Charging Input (charging case) : 5V-1ACharging Input (earbuds) : 5V-0.2ACharging Output (charging case to Earbuds) : 5V-0.4ADust & Water Resistance (Earbuds) : IP55Weight: 4.2g (Earbud) / 37.8g (Charging Case) / 46.2g (Overall product)Earbuds Size: 29.99 x 20.30 x 23.87 mm.Case Size: 66.60 x 51.24 x 24.83 mm.