Green Lion Pro Clip Duo 7 in 1 Hair Trimmer -Include Hair Comb, Hairdressing Cloth, Hairdressing Scissors, Carrying Case Big Clipper -Attachment Options: 3mm, 6mm, 10mm,13mm Combs -Power Source: DC 3.7V, 2000mAh Lithium Battery -Operating Time: 150 Minutes -Motor RPM: 6500 ± 100RPM Small Clipper -Attachment Options: 3mm, 6mm, 9mm,12mm Combs -Power Source: DC 3.7V, 900mAh Lithium Battery -Motor RPM: 6500 ± 100RPM -Operating Time: 120 Minutes