Bluetooth 2.0 interface standard

Frequency: BT2.4-2.4835GHz

Receiving sensitivity:-78dBm(Standard)

RF output power: up to 4bm as maximum, good for your health with lowest radiation

Operation distance: 10m

Operating temperature:-10-55°C

Workable environment:0-55°C

Humidity:10%-70%

Working current:<5.0MA,Operation Voltage:3.0-5.0V    Standby time:150 hours

Optional color: sliver

British keyboard:10 inch,82 keys,245*95mm

Battery:standby time-60days,Uninterrupted Working Time:55 hours

Dimension :245 (L)*197(W)*11.6(H) mm

Weight: 295±30g