Bluetooth version 5.2 Supporting agreementA2DP/AVRCP/HFP/HSP Audio decodingQualcomm aptx/aac/sbc Transmission distance10m Play time6+HEarbuds Charging timeabout 1HEarbuds/Charging case Charging interfaceType-C Battery capacity 3.7V /40mAh (Earbuds) Battery capacity 3.7V /750mAh (Charging case) Frequency range20-20000Hz Sensitivity1063db@1k, 1mw Impedance32 Sound10MM dynamic unit, Perfect audio curve DesignIn- ear wearing design, comfortable in wearing Bluetooth Qualcomm 5.2 chip, CVC call noise reduction technology Low power consumptionHear freely for 30
Hours Automatically connecting: Opening the charging bin, soon connecting