Technical specification
-Operational range: up to 10 meters
-Transmit power: +5db Max.
-Operation voltage: 3.3V
-Operation current: <50mA
-Charging current: <300mA

Package Included
1x Mini Wireless keyboard
1x USB Charging Cable
1x Rechargeable Li-ion Battery
1x USB dongle(Under battery cover)
1x User manual