1Adopt 3.7V brass motor movement, stable performance, high speed and low noise. 2Rechargeable and plugin dual use, plug and play, easy and convenient to use. 32 Hours fast charge, 3 hours battery life, 2000mah lithium battery, long battery life, no memory effect. 4Provided with 36912mm guide comb, you can easily adjust the comb to the right height, can easily trim hair evenly. 5Suitable for home hairdressers, but also for professionals.Easy to grasp and carry.