Wacom Wireless Accessory Kit for Bamboo and Intuos Tablets (ACK40401) Up to 15-hour battery life depending on the size tablet. System Requirements: PC: Windows7, Vista or XP SP3 or later. Mac: Mac OS X 10.5.8 or later RF wireless technology which offers immediate pairing and avoidance of compatibility issues Wireless operating distance is up to 10 meters Recharging through your USB port takes 3.5 hours for an 85% charge and less than 6 hours for a 100% charge This item is compatible with the Intuos5, Bamboo Capture, Bamboo Create, Intuos, Intuos Pro, Intuos Draw, Intuos Art, Intuos Photo, and Intuos Comic