Kashimura Lint Cleaner, USB Rechargeable Cordless Lint Remover, Blue NTD-32 ・This is a USB rechargeable cordless lint remover. It can be used continuously for up to 1 hour when fully charged. A dedicated USB charging cable (approx. 1m) is included. *Charger not included. ・The main body has a compact design and a dome shape that is easy to grip. It's a cordless design for smooth handling. ・Comes with a transparent cap to guard the blades when not in use. The dust cap is a rotating type that makes it easy to dispose of lint. Continuous operating time: Approximately 1 hour (maximum when fully charged) / Charging time: Approximately 8 hours (when fully discharged) / Maximum number of charges: Approximately 500 times (the rechargeable battery cannot be replaced.) / Built-in rechargeable battery: Nickel-metal hydride battery (Ni-MH) 1200mAh / Dedicated charging cable included: microUSB-USB-A Cable length: approx. 1m Large outer blade diameter: 52φ(mm) / Body size/weight: 80W × 130H × 80D(mm) / 210g (The above is quoted from Kashimura's product description)