Work time: Charge for three hours for approx. 100 minutes of work time. Size: 258mm x 68mm. Re-charge: With a rechargeable battery that charges via a USB cable (included). Vacuum cleaner: Get a USB robot vacuum cleaner in white, black or grey! Features: With a strong 1800PA suction, anti-drop detection sensor and quiet operation. Design: Features six-sided claw brushes for a wide rotating sweeping range. Usb Robot Vacuum Cleaner | Living Social | Living Social