Powerful Rotary Motor - Faster than the previous Envy, runs at 6,500spm Revolutionary Phaze Blade - Expands your options for perfecting your blends, hits between our Fade and Taper blades Lightweight housing, perfectly balanced - Reduces hand strain and allows for effortless use Additional Lever Arm - Can be placed on the opposite side of the clipper for left-handed barbers Lithium-Ion Battery - Offers up to 2 hours of run time