Specification:
Operating Frequency: 2.4G technology
Power Supply: 3 * AAA Batteries (Not included)
Effective Distance: Approximately 32.8FT (10M)
Case Material: ABS
Net Weight: 0.26 lb
Keypad Size: 5.24 x 3.39 x 0.79 inch
Mouse Size: 4.45 x 2.32 x 0.79 inch
Mouse Tracing System: Optical
Interface(s): USB 2.0