-Professional Outliner Trimmer with 4 attachment combs 1.5mm/3mm/6mm/9mm, you can change different combs according to personal needs, You can also use the grooming kit without the comb for a close trim without using multiple separate attachments. -Full charge in 1.5h on lithium-ion battery, the fast charging 800mAh Li battery can deliver strong power up to 90 mins of runtime, Perfect for your daily and travel use, you can charge it through your computer, power bank, PC, more secure & convenient.