computer connection : wireless
Wireless transmission frequency: 2.4GHz
wireless transmission effective distance up to 8-10,current 14mA, 1 x 7 batteries available for 1-3 months, automatic no signal power-off function, more power saving.
Handwriting input, can be used on narrow desktop.
Wireless Carrier Frequency: 2402 MHz - 2480 MHz
Wireless Working Channel: 16, automatic frequency hopping
Rated working voltage: 5V Rated operating current: 15 mA
USB Interface: 2.0 The maximum acceleration: 14 inches per second
Resolution: 500CP1 / 1000CP1 adjustable.