Feature: 1. Adopts widened R‑shaped rounded corner design, which makes the outer side of the razor more rounded and the inner side sharper. 2. Using dual motors, one motor (3200‑4200R/min) and the other motor (8000‑9000R/min or 10500‑11500R/min). 3. Advanced noise reduction technology help children's hair clippers work under low vibration, the working noise is lower than 40db. 4. Adopts built‑in 500mAh rechargeable battery, which can be fully charged in one hour, and battery life is 40‑50 minutes. 5. Fully waterproof design, allowing you to quickly clean the hair clipper under running water. Specification: Condition:100% Brand New Item Type: Baby Hair Clippers Material: ABS Size of Clipper: Approx.21 x 4.5cm / 8.3 x 1.8inBlade Width: Approx.3.8cm / 1.5inCharging Time: 1 hour Battery Type: Lithium ion battery Battery Model: Lithium-ion battery 500mAh (built-in battery)) Working Time: 40-50min (about) Charging Mode: USB hub, support adapter, mobile power and computer charging. Package List: 1 x Hair Clipper1 x USB Cable 1 x Instruction Book 3 x Guide Comb1 x Sponge Wipe 1 x Brush1 x Cleaning Bush1 x Storage Box Note: Pay attention to the use of guide combs: guide combs are very useful for novice haircuts, so as to avoid haircuts with different lengths. Pay attention to using the largest limiter as much as possible, and make the haircut as long as possible, so that if the haircut is not good, there is still a chance to remedy it.Reminder: Try to avoid using it while charging. The manual of the hair clipper states that the hair clipper can be used while charging, but for new hair clippers, doing so will damage the battery, so try not to do this.