1.Tsuas yog tus kheej pwm tsos2.100% ntshiab tooj liab core conductor3.Siv ib puag ncig PET cov ntaub ntawv uas yog ib puag ncig-phooj ywg thiab ruaj khov4.USB interface siv Aluminium alloy oxidation sandblasting workmanship, high-end thiab txawv5.4 core ua rau them thiab cov ntaub ntawv 2 hauv 1, bearing 2.4A tam sim no