Specifications:

• Wireless Technology: 2.4GHz
• Wi-Fi Range: 8m
• Type: 2.4Ghz Wireless
• Tracking Method: Optical
• Style: Trackballs
• Style: Finger
• Receiver size: 20*15*7mm
• Power Type: Battery
• Package: Yes
• Optical Resolution: 1200dpi
• Operation Mode: Trackball
• Number of Rollers: 1
• Number of Buttons: 1
• Model Number: Wireless Finger Rings Optical Mouse
• Interface Type: USB
• Hand Orientation: Both Hands
• Gross Weight: 28g
• DPI: 1200
• Dimension: 60 x 30 x 30mm
• Application: Desktop, Laptop