• Adopts advanced 2.4GHz wireless connection technology, the transmission distance of up to 8-10 meters
• AVAGO 5090 photoelectric chip is linear and stable, with the strong over-surface capability
• Support system Windows 7/8/10/for Vista/ XP/2000, Android, for Linux, for Mac OS
• Current 14mA, 1 x AAA battery can be used for 1-3 months, automatic no signal power-off function, more power saving
• Handwriting input can be used on narrow desktop
• Handwriting design, comfortable to use at different angles of sitting, will not strain
• Humanized button position design, grasp is very convenient
• Mouse is a small base, placed without taking up space

Specifications:

• Product size: 140 x 20 x 15mm
• Product weight: 29g
• Number of keys: 4
• Wireless carrier frequency: 2402 MHz - 2480 MHz
• Wireless working channels: 16, automatic frequency hopping
• Rated working voltage: 3V
• Rated operating current: 15mA
• Tracking system: Optical
• Speed: 14 inches/sec
• Powered by: 1 x AAA battery (Not Included)
• 3-speed DPI adjustment: 800/1200/1600