Model:  MINI Bluetooth function
Key number: 72keys
Operating system: WINDOWS 98SE or above.

Specifications:
Operating distance: less then 30 meter
Model: DSSS model RF
Transmitting power: Max +4dBm
Working voltage: 3.3V
Working current: <150mA
Charge voltage: 4.2V~5.05V
Charge current: <350mA
Sleep current: <1mA
Color: Black/Silver/White (Optional)

Net weight:110g

Dimension: 152*59*12.5mm

Package weight: 250g

Package dimension: 189 x 95 x 45mm