Product Specifications:Nothing earDriver:Custom 11mm dynamic Diaphragm:Ceramic diaphragm Audio codec:LHDC, LDAC, AAC, SBC Technology:Dynamic Bass Boost(Bass Boost in Nothing X)Advanced EQ:Advanced equaliser tuning with profile sharing Personal sound profile(Mimi test) Active noise cancellation type:Hybrid ANC Depth：Up to 45dB Frequancy range:5000Hz Transparency Mode:Supported Microphone quantity：Each bud*3 mics, dual buds*6 mics Active noise cancellation technology：Smart ANC algorithm,Adaptive ANC Battery capacity：Buds:46mAh Case: 500mAhBattery Life:Music status: ANC OFF -8.5 hours for earbuds, total 40.5 hoursANC ON - 5.2 hours for earbuds, total 24 hoursCall status: ANC OFF - 5 hours for earbuds, total 23 hoursANC ON - 4 hours for earbuds, total 18 hoursFast Charge(Music):ANC ON - 10 mins charge for earbuds+charging case total 5 hours(buds only: 1.5 hours)ANC OFF - 10 mins charge for earbuds+charging case total 10 hours(buds only: 2.6 hours)Wired charging:USB Type-CWireless charging:Support(but not QI-certified)Bluetooth version:Bluetooth 5.3Compatibility:Android 5.1 and aboveiOS 13 and aboveWater and dust resistance:IP54 buds/IP55 casePacking List:Pair of earbudsEar tips in size S, M, LCharging caseType-C cableSafety information and warranty information & User guide