1. Function list
a. Laser pointer b. Trackball Mouse
c. Notes Pen e. Page up/ down
f. Play /Stop g. Black Screen
2. Integrative Design
3. RF 2.4GHz Wireless Technology
4. Distance: up to 15 meter
5. Power supply: AAA*2
6. Size: 125mmX49mX27mm Quantity Per Month: 100000 Delivery Way - Date Of Delivery: 5-7working days