Itcanalsobecharged by anadapter,mobilepowersupply,USBcharging
The motor speed is about 7200 rpm, which is certified by a large factory. The speed is fast and will not get stuck. The circuit board is equipped with an overcharge protection IC, and the lamp is automatically replaced when it is fully charged.
Other hair clippers use a small motor that is not well-known from a small factory. The speed is about 3,500 rpm. The speed is slow, the cutter head is not sharp, and the hair is easy to jam. The circuit board does not have an overcharge protection IC, and it is always bright red.