100-240V Voltage,50/60Hz corded and cordless use blade adjustment,five settings,0.8-2.0 mm professional precision blades cutter head width 45 mm USB Charge charging stand design 3.5 hours fast charging, working time 400 minutes 6 pcs guide comb,1.5/3/4.5/6/9/12 mm lithium ion battery 2500mAh 5500-7000RPM knob:1-15 steps continuously variable speed LED display,remaining minutes reminder, charging reminder,running speed reminder product size 180 mm user manual in six languages English retail box100% Satisfaction Guarantee: This hair clipper is suitable for professional barber shops and home users. Our barber scissors will bring more fun to your life. If you are not satisfied, please contact us, we will be at your service 24 hours!. The Perfect Gift Hair Clipper: Make a great personal gift for the man in your life. Dad, husband, son and boyfriend will love this high-quality electric hair clipper, suitable for any occasion. Simple And Practical: This is a simple and practical hair clipper, stylish design, professional low-noise charging hair clipper, powerful motor, low vibration, low noise design, stable performance. Long-Lasting Power: The electric hair clipper has a built-in high-quality and safe lithium battery, which is powerful and durable. It can be rechargeable or USB rechargeable battery, which can be used for a long time. This electric hair clipper has a convenient cordless use option. Electric Professional Hair Clipper: The hair clipper is designed for smooth, fast and precise trimming of all types of hair. The electric hair clipper uses durable high-quality blades, does not hurt the scalp, has high hardness and high wear resistance.