Feature1.Dual Channel: Can connect up to 2 devices at a time.2.Bluetooth 3.0: Operating distance up 10 meters.3.Scissor-Switch Keys: Scissor-Switch bluetooth keyboard provides you with a very comfortable and pleasing typing experience.4.Smart Power Save: Auto sleeps after extended inactivity5.Rechargeable 180mAh Li-ion Battery: 40 work hours per charge, standby up to 6 months.Package Includes: 1 x Bluetooth keyboard 1 x Micro USB charging cable 1 x User manualSpecifications: Layout: QWERTY Keyboard Weight: 675 g Dimension: 29 x 16 x 2 cm Bluetooth: Bluetooth 3.0 Working Distance: Up to to meters Charging Time: 2 to 3 hours Working Time: Around 40 hours Standby Time: Around 6 months