Specifications: Power supply mode: charging / power supply dual purposeThe first generation shaver model: OLB-70Maximum power: 3WBattery capacity: 500MAHCharging voltage: 5VCharging current: 1ACharging time: 1 hourUse time: 1 hourWaterproof grade: IPX5Material: aluminum alloySpeed: 9000Service life: 30 dayssecond generation shaverModel: NM-10Maximum power: 5WBattery capacity: 500MAHCharging voltage: 1ACharging time: 2 hoursUse time: 1 hourWaterproof grade: IPX7Material: aluminum alloySpeed: 13000Service life: 30 daysfeature:1. The blade and the blade net are designed in one piece to avoid accidental damage by the blade when disassembling and cleaning the blade. It can be disassembled and assembled with just one twist.2.4D floating blade, closer to the facial contour, reducing shaving blind spots3. Long battery life, 2 minutes of shaving a day, 30 days long battery life4. The cutter head is automatically sharpened, and the cutter head can be sharpened at any time, which can save the trouble of replacing the cutter head5. Small and portable, can be held with one hand, and can be carried with you on business trips6. Double ring veneer knife net, fast shave, double ring cleaner7. Adopt IPX5 waterproof design, the cutter head can be directly removed under the faucet for washing, which is convenient and reliable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.