Material：ABSBluetooth Version/chipset：V5.4/AB5616Supported protocols：a2dpavrcphfpTransmission Distance：10mWorking Voltage：3.1-4.2VImpendance：16Ω±10%Speaker Power：5mWerabud /charging case Battery (mAh)：220mAhCharging Time：Approx.2hoursCalling：Approx. 14HMusic Play：Approx.20HStandby：≈250H1.The earphone weighs only 12g, so you won t get tired of wearing it for a long time2.High-performance battery, Type-C charging, can talk continuously for about 14 hours when fully charged3. It is comfortable to wear and does not fall off easily4.Intelligent noise cancellation, clear calls5.Support one-for-two
