Bluetooth Version：5.1
Bluetooth Range：10M
Frequency Range：20-20KHz
Impedance：16Ω
Sensitivity：104DB ± 2DB
Driver Size：6mm
Support Codex：AAC, SBC
Support Profile：HFP, HSP,A2DP,AVRCP
Play Time：Up to 7H
OTG Play Time：Up to 63H (7H play time + 56H battery case)
Standby Time：100H
Recharge Time：3H (Charging Case), 1.5H (Earphones)
Battery Capacity：1300mAh (Charging Case), 60mAH (Earphones)
Input：5V/1A USB C
Waterproof Rating：IPX4
Safety Protection Short Circuit, Over Charge, Over Discharge