Microsoft Surface Pen
Create without limits. Surface Pen is better and faster than ever, with precision ink on one end and a rubber eraser on the other — plus tilt for shading, greater sensitivity, and virtually no lag.
Connector type: Bluetooth 4.0
Buttons: Barrel button and tail eraser
Color: Platinum, Black, Burgundy, Cobalt Blue, Aqua2
Dimensions: 5.75 x 0.38 x 0.38 in (146.1 x 9.7 x 9.7 mm)
Weight: 0.04 lbs (20g)
Battery: AAAA battery included