finger mouse (MS-019)

1) Strap it on your index finger with the sensor tip in alignment with your indexfinger tip or slightly higher depends on your own comfort level.2) Provide support by using your middle finger to hold the finger mouse against yourindex finger when you are clicking.3) Point the cursor with your index finger while your thumb to control the left button (lower button) , right button (upper button) and scroll wheel.4) Button dynamics pressure: 60g±5g5) Operation voltage: DC5V±0.56) Button life span: 3,000,0007) Operation current:<1000mA8) Operation temperatute: -20C-80C9) Life span: 100,000hour10) Humidity: 10%-90%11) Mechanical life span: 100km