?Warranty?We provide 12 months free replacement warranty and friendly customer service. If you have any questions, please feel free to contact us. We will provide you with a 100% satisfactory solution. ?Bottom hook design? Bottom hook design: The t liners clippers for men have a hook at the bottom. The hidden design does not affect the overall appearance. It is convenient to place the trimmer upside down after use to extend the service life. ?Cordless Design, USB Fast Charging? The hair liners for men adopt a cordless design, which is convenient to carry and suitable for traveling. Ergonomic design, comfortable handy. It lasts more than 90 minutes on a full charge. You can connect USB adapters and other USB-powered devices for convenient charging and use anywhere. ?Low-noise, Powerful Motor?This t trimmer is equipped with a powerful motor, with high operating efficiency, low sound, and no need to tolerate noise. ?Professional Cordless Hair Trimmer? This barber trimmer has 3 different length guide combs (1mm, 2mm, 3mm). The zero-distance oil head design does not hurt the scalp. You can easily trim your hair at home, or add this hair clipper to a professional barber shop trimmer kit.