1.Cordless trimmer with rotary motor 2.Cordless operation with rechargeable battery - no cords to tangle or wrap around customers 3.Snap-in stainless steel, diamond lapped blades allow for easy, quick blade changing and cleaning 4.Low Vibration, super silence design 5.Sides of comb blade now rounded to enable smoother cutting even around ears 6.All trimmers and clippers include lubricating oil and a cleaning brush 1)NI-MH battery, 60minutes use time 2)Charge time:5 hours 3)4 attachement combs: 3/6/9/12mm 4)5 cutting guides: 1.0/1.3/1.6/1.9mm 5)Rotate speed:6500±300RPM 6)Power:5W