... Ultra-low power consumption, battery life up to 3 months for normal office use 7). Mouse folds to 60% of ... Folded size: 76 * 58.5 * 30mm Keystroke lifetime: 3, 000, 000 cycles Compatible with Windows 98, 2000, NT, ME, XP, ... mousematerial ABS plastic / GPPSdistance 10 metresreceiverUSB receiverworking frequency 5,000,000 frequency color any colorHigh resolution800-1600 DPI could be ...