Over current protection, Over voltage protection, Smart power saving, Quality battery, Quality charging cable.
Sensor engine Blue Eye
Number of buttons 3 (left, right, middle button with scroll)
Resolution (DPI) 800 – 1600 RF
Battery type Built-in rechargeable NiMH(Before first use, fully charge the battery for 10 hours uninterrupted.)
Weight 81 g (includes receiver & rechargeable NiMH)
Dimensions (W x H x D) 59.5 x 106 x 37.1 mm ( 2.34 x 4.17 x 1.46 inches)