Bluetooth® Low Energy compatible 4.0 / 4.1 / 4.2 2.4GHz frequency range
電源
2 AAA alkaline batteries included
電池
Up to 12 months
尺寸 (闊 x 深 x 高)
107.2mm x 60.3mm x 25.8mm
保養
1-year limited hardware warranty
其他
4 Buttons: Left button, Right button, Wheel button, Power button (Pairing button by long press) Customizable metal wheel for vertical scrolling and wheel button clicking