erorex Bluetooth Keyboard - for Microsoft Surface Pro 4/5/6/7/7+

-The sleek ABS keys turn your Surface Pro 4/5/6/7/7+ tablet and the wireless keyboard into one seamless unit. -Intelligent and simple connection, with wireless operation distance up to 10m. -Lightweight, quiet keystrokes, waterproof and dustproof -Energy-saving keyboard sleep mode. Specifications: Layout: QWERTY. Full line keys of function (F1-F12) Applicable models: for Microsoft Surface Pro 7+/7/6/5/4 Bluetooth 3.0 Standard Interface Effective Operating Distance: 10m/32.81ft Modulation Method: GFSK Working Voltage: 3.0-4.2V Working Current: <8mA (When the touchpad is working) Standby Current: <0.3mA Sleep Current: <40μA Charging Current: 100mA Standby Time: More Than 100 Days Charging Time: 4-5 Hours(8 hours for the first charge) Lithium Battery Capacity: 350mAh Sustainable Working Hours: 100 Hours Lithium Battery Life: 3 Years Button Force: 80 ± 10G Key Life: 5 Million Times Clicks Working Temperature: -10-55 °C Charging Interface: Type C Product Size: 295 X 220 X 5mm/11.61 X 8.66 X 0.2" Packing Size: 380 X 251 X 15mm/14.96 X 9.88 X 0.59" Net Weight: 313g Gross Weight: 450g Package Includes: 1x Wireless Bluetooth Touchpad Keyboard for Microsoft Surface Pro 4/5/6/7/7+ 1x Type C Data Cable 1x Instruction Manual