Bluetooth Keyboard for Pro3, Pro4

• Multi-Function Keyboard cover with Touchpad           
• Specially designed for Surface pro 3 & Surface pro 4.  Scissor type keyboard,good typing.                               
• Uses USA BROADCOM Bluetooth module3.0
• Standard MICR interface     
• Lithium Battery Capacity:250mAh                                     
• 60 hours continuous use per charge                                                                                  
• Size:295x216x7.8mm                                                          
• Net weight:335.4G