The machine is cool, it works quite quietly, there is a small vibration associated with the principle of work. Professional hairdresser gave positive feedback about the quality of work, the knives work safely, especially suitable for edging haircuts. The battery charge level when received was 84%. For charging, the lace with USB Type C is attached, the charge is successfully from the third-party charger. There is an instruction in English. The goods are satisfied, I recommend. Thank you seller.