2.4Ghz bluetooth wireless keyboard with touch pad for PDA

Features:
 Triple function wireless4 keyboard (keyboard, touch pad, laser pen)
 uses 2.4G wireless technology4
 Built-in backlight4
 multimedia4 control keys
 Built-in4 rechargeable lithium battery
 QWERTY keyboard, full-function4 mini-
 buckle-in mini4 receiver
Charging time: 3.5 ~ 4 hours
Standby: 500 ~ 700 hours
The effect of opening the backlight
Specifications:
 size: 151mm x 59mm x 12.5mm / 64 'x 2.4' x 0.5 '
 Weight: 100g / 0.22 poud4
4 Operating Temperature: -10 ° C - 55 ° C
 Battery: Built-in lithium4 battery
4 Standby time: 500 - 700 hours
 Working range: 30 meters / 1004 feet
4 transmit power: Max +4 dBm
 Operating Voltage: 3.3V4
 Operating4 Current: <80mA
 charging voltage: 4.2v - 5.05v4
 charge current:4 <300mA