· Operating Distance: 10 m
· Modulating System: GFSK
· Operation Voltage: 3.0-5.0V
· Working Current: < 2.0 mA
· Standby Current: 0.3-0.5 mA
· Sleeping Current: < 25 UA
· Charging Current: 100 mA
· Charging time: 4 hours
· Lithium Battery Capacity: 120 mA
· Uninterrupted working time : 40 hours
· Standby time: 60 days
· Lithium Battery Life: 3 year
· Key Strength: 80±10g
· Key life: 5 million strokes
· Operating Temperature: -10-+55 C
· Dimensions: 198mmX123mmX5mm
· No. of the keys: 59 keys