• Bluetooth V2.0 interface Standard
• Material: plastic
• Keyboard dimensions: 140 x 93 x 23mm
• Key no.: 80
• Operating distance: 10m
• Modulation system: GFSK
• Operating voltages: 3.0 to 5.0V
• Working current: >5.0mAh
• Standby current: 2.5mAh
• Seeping current: 200u A
• Charging current: ≥100mAh
• Standby time: 60 days
• Built-in rechargeable Lithium battery
• Charging time: 4 to 5 hours
• Lithium battery capacity: 450mAh
• Uninterrupted working time: 40 hours
• Lithium battery lifespan: 3 years
• Key dynamics: 55±10g
• Key lifespan: 500,000 strokes
• Bluetooth and the Bluetooth logo are registered trademarks of the Bluetooth SIG