2089D For Microsoft Surface Pro 8 / 9 / X Bluetooth-compatible Keyboard Case with Touchpad, Pencil Holder, Wireless Keyboard

• The Bluetooth-compatible keyboard case is not only a keyboard but also a tablet case, convenient for a business trip
• The Bluetooth-compatible 5.0 keyboard has a stable connection, a long-lasting lifetime
• The keyboard has a built-in 250mAh large-capacity lithium battery, convenient to charge and use
• Can be converted to a supporting stand for hands-free movie watching and web surfing
• Designed with a Touchpad instead of the mouse, and a built-in pencil holder to store your pencil 
• Slim and lightweight design, convenient for travel, business trip, etc.  

Specifications:

• Standard Bluetooth-compatible 5.0 interface
• Working distance: within 10 meters
• Modulation mode: GFSK
• Working voltage: 3.0-4.2V
• Working current: <2.5mA
• Standby current: <0.3mA
• Sleep current: <40uA
• Charging current: > 200mA
• Standby time: > 100 days
• Charging time: 3-4 hours
• Li-ion battery capacity: 250mAh 
• Sustainable working time: > 60 hours
• Battery life: 3 years
• Key force: 80±10g
• Key life: 5 million clicks
• Operating temperature: -10℃-+55℃
• Charging method: Type-C