Bluetooth® Low Energy compatible 4.0 / 4.1 / 4.2 2.4GHz frequency range
Power Supply Type
2 AAA alkaline batteries included
Battery
Up to 12 months
Size (W x D x H)
107.2mm x 60.3mm x 25.8mm
Warranty
1-year limited hardware warranty
Others
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