2021 Upgraded Cordless USB Rechargeable Hair Clipper Grooming Kit T-Blade Close Cutting Trimmer for Men 0mm Zero Gap Bald Head Beard Razor Professional Barber Shop (Golden) Welcome to my shop. Product Advantages: Metal body, sturdy and reliable, long lifespan Retro art carving style, very fashionable LCD display, concise and clear Specification: Color Style: Golden Battery: 1500mAh Packaging size: 20 * 10 * 5.5 cm Power: 10 (W) Product voltage: 110V-240V 50Hz / 60Hz Charging time: 2 hours, usage time 180 minutes Weight: 420 grams Use plan: daily home use, barber tools Product Accessories: 1 packing box, 1 PC manual, 3 limit combs (1 2 3 mm), 1 USB cable, 1 cleaning brush Note: 1. The positive pole of the battery is inward (on the cap side), and the negative pole is outward (the tail) 2. If the battery is not used for a long time, it should be fully charged and stored. Usually, it will be charged and discharged again in about three months. 3. Do not overuse the voltage. Do not reverse the front of the battery, otherwise it will burn the circuit board. Pay attention to the temperature change of the flashlight to ensure heat dissipation. Non-professionals do not open the circuit board 4. Make sure the battery is charged and then install the battery in the correct direction. Different brands of batteries cannot be used, and old and new batteries cannot be mixed 5. This product has a certain degree of water resistance, but do not immerse it in water too much 6. The lubricant does not match due to transportation problems 7. Due to the difference between light and shadow during shooting, there may be a slight deviation in color, this is normal, please rest assured to use