Feature:1. Press "+" or "" to change the 3 gears to deal with different kinds of hair and meet needs of different groups of people.2. The hair clipper is equipped with highquality motor which has noise reduction design and more powerful power.3. The LCD can display the remaining power and charging status of the machine, help you charge your hair clipper on time.4. Lithium battery with 2200mAh large capacity and high performance has no memory effect and Long cycle life.5. The hair clipper will automatically stop charging after fully charged to protect the battery life.Specification:Item Type: Hair ClipperMaterial: ABS & Stainless Steel & CeramicsProduct Plug: US Plug 100-240VCharge Time: 3 HoursService Time: 240minsBattery Type: Lithium BatteryBattery Capacity: 2200mAHCharge Methods:1. Insert the charger connection plug into the charging base slot.2. Plug the charger into the power socket.3. After confirming that the power switch of the hair clipper is in the off position, put it into the charging base.4. When the charging indicator light is on, it means it is charging.5. When the four indicator lights are all on and the charging indicator light is off, it means it is fully charged. (After fully charged, the hair clipper will automatically start the charging protection function, stop charging, and protect the battery life.)5. The hair clipper can be directly connected to the charger to charge.6. When the hair clipper is not powered, it can be directly connected to the charger and operated with a wire.Charge Description:1. Please charge it for 3 hours for the first time. After 3 to 4 times of full charge and discharge, the battery capacity will reach the best condition.2. The best ambient temperature for the charger is between 5 and 40.3. The product can retain 80% of the original battery capacity after completing 400 charging and discharging cycles.Hair cutting length adjustment function:Adjusting knob: You can use your thumb to rotate the adjusting knob left and right to have different length of the hair.5 Hair lengths: 2.0mm, 1.75mm, 1.5mm, 1.25mm, 1.0mm.Package List:1 x Hair Clipper1 x Charging Base4 x Guide Comb 1 x Cleaning Brush 1 x ChargerNote:1. Please do not disassemble the product without authorization.2. Please do not wash the product with water or store it in a humid place.3. The product can only be cleaned with a cloth slightly moistened with water or neutral soap.4. Do not charge the product in a heat source above 40C and an environment below 0C.(The product will become hot during use or charging, which is not abnormal. )