Charging time: 3 hours Size: 23.5x6.5x23.5cm Voltage: 3.7V Use time: 180 minutes Weight: 767g The body and the adapter are not waterproof. The blade and comb attachment can be removed and rinsed with water to ensure that they are dry before using it again. If you have any questions, you can contact me within 24 hours. I will answer for you, thank you for your trust.After-Sales Guarantee: When you buy our hair clipper, you will receive a lifetime repair guarantee and a 90-day money-back guarantee, as well as thoughtful service from our professional after-sales team. If you have any questions, we will do our best to resolve them for you, ensuring your purchg experience is always worry-free. Your satisfaction is our unremitting goal. We will provide you with the highest quality after-sales guarantee, so that you can buy and use with confidence. Suitable for men, women, elderly, babies, children, barber shops, etc. Streamlined design, smooth overall appearance design, ergonomic principle, more comfortable to hold. The knife head can be washed with water, the knife head can be easily inserted and removed, and it is more convenient and hygienic to rinse with running water. Smart screen display, battery display more clearly. USB charger, fast charging. Adjustable handle, freely adjust the pitch of the cutter head, high-quality sharp cutter teeth, sharp and durable, narrow pitch cutter teeth.