Bluetooth Version：5.1 Bluetooth Range：10M Frequency Range：20-20KHz Impedance：32Ω Sensitivity：98DB ± 3DB Driver Size：10mm Support Codex：AAC, SBC Support Profile：HFP, HSP, A2DP, AVRCP Play Time：Up To 3H (ANC On), 4H (ANC Off) OTG Play Time：Up To 21H (ANC On), 25H (ANC Off) Standby Time：80H Recharge Time：1H (Charging Case), 1H (Earbuds) Battery Capacity：380mAh (Charging Case), 40mAh (Earbuds) Input：5V/1A USB-C Waterproof Rating：IPX5 Safety Protection Short Circuit, Over Charge, Over Discharge
