For Microsoft Surface Go 1 / 2 / 3 Magnetic Rechargeable Wireless Bluetooth-compatible Keyboard with Backlit

• The keyboard can be connected with leather cover (not included) by magnetic adsorption, and change into the working mode of laptop
• Bluetooth-compatible 3.0 wireless connection, fast response without delay, more power saving
• Built-in 420mAh battery, can be recharged via attached cable
• Simple design, thin and portable, easy to carry

Specifications:

• Dimension: 281 x 185 x 6.5 mm
• Weight: 280±5g
• Bluetooth-compatible solution: BT3.0
• Valid distance: >=10 meter
• Working voltage: 3.7V
• Standby time: 180 dadys 
• Charging time: 2.5 hours 
• Battery capacity: 420mAh 
• Battery lifespan: 3 years 
• Working temperature: -10 to +55? 
• Backlit working time: 4.5 hours