Product Specifications:Earbuds: 30mAh, 4-5 hrs per chargeCase: 500mAh, 7-8 rechargesTotal Playtime: 28+ hrsImpedance: 32, Sensitivity: 1105 dBRich, clear audio for music and calls.Connects to two devices simultaneouslyMic Impedance: -423 dB, ANC: 50-800 Hz, 24-26 dB depthClear calls with effective noise reductionErgonomic in-ear design with multiple ear tip sizesBluetooth 5.3, Range: 33 ft (10m)Type-C and Wireless Charging supportedType-C cable, ear tips (S/M/L)