1. With LED indicator. showing the remind power from 25%,50%,75%,100%. 2.High-performance lithium battery 2000mAh, can continued use for 4 hours after 4-5 hours charging.(for the nomal hair clipper, the bettery is NI-CD or NI-MH battery, 600mAh, using time is only 40mins after 12 hours charge.) 3.Adjustable blade with 5 height ,can be adjusted from 0.8—2.0 mm. 4.USB wire charge,has passed the test of CE ,FCC and ROHS. 5.Low noise, noise level lower than 60db,meet EU standard 6,Rechargeable and coldless use, both of mathod can be work perfectly. 7.Three speeds for choice . 8. High quality ceramic moving blade and titanium fixed blade ,durable .