The Gamma Shaver Cutter Uno employs the use of a powerful rotary motor running at over 7000 rpm with minimum drag. Its hypoallergenic foils are suitable for people with sensitive sin and it comes equipped with a lithium-ion battery that provides 2 hours of constant use with fast-charging capabilities of 30 minutes. Its a precision trimmer and shaver that delivers smooth SKIN CARE and is suitable for adults.