Product parameters:Model:N7778 Voltage power: 100-240V voltage/10w; Charging time: three hours; Duration: 120 mins Power mode: USB charging/base charging; Accessories: Charging base*2, charging cable*3, limit comb (large)*6, limit comb (small)*4, bit balancer*1, cleaning brush*2, small screwdriver*1, screwdriver*1, cutter head protective cover*2 Big machine: 2500mAh lithium battery Small machine: 2000mAh lithium battery Features: 🌟9200RPM explicit motor, typhoon strength output 🌟High-carbon metal DLC process bits Long-lasting sharpness, gentle operation while keeping higher regular management 🌟The cutter head has 3 stages of fine-tuning, and the shaving is layered Slightly rotate the side adjustment lever to fine-tune the size to regulate the operation 🌟Retro oily head, reshaped man Professional oil head electric hair clippers, one mechanical device to get the modeling, a new time out of haircuts 🌟Additional lid can be replaced You can substitute the lid in your liking, and we can gift you with a screwdriver