Lenovo Active Pen 2 - ThinkPad X1 Carbon 2nd Gen, Miix 510-12IKB, Miix 510-12ISK, Miix 720-12IKB, Yoga 720-13IKB, Yoga 720-15IKB

Bluetooth 4.0
2-side buttons and 1 top button
Up to 4096 levels of pressure sensitivity
Dimension (Pen): mm : 152 x 9.5 x 9.5 inches : 5.98" x 0.37" x 0.37"
Weight (Pen): Starting at 0.03 lbs (17.8 g)
Compatible with Lenovo ThinkPad X1 Tablet, P1, P52, L380 Yoga, X380 Yoga, X390 Yoga, X1 Yoga, X1 Extreme, Miix 720, Miix 510, Miix 520, Yoga 520, Yoga 530, Yoga 720, Yoga 730, Yoga 920, C340, Flex 14, Flex 15 

Features:

Bluetooth Connectivity
Paper Like Writing
2000 Hours Battery Life
Metallic & Diamond Cutting
Anti-Accident Clicks
Configurable Button
Up to 4096 levels of pressure sensitivity 

Description Service Part Number Marketing Part Number Countries / Region
Lenovo Active Pen 2 - With Battery 01FJ170 4X80N95873
Lenovo Active Pen 2 - With Battery 5T70M55297 GX80N07825

Lenovo Active Pen 2 - With Battery 5T70M55297 GX80N07824
Lenovo Active Pen 2 - With Battery 01FJ170 4X80N95873

Lenovo Active Pen 2 - With Battery 5T70M55297 GX80N20629 
Lenovo Active Pen 2 - With Battery 01FJ170 4X80N95873
Lenovo Active Pen 2 - Without Battery 01FJ169 4X80N95874 
Lenovo Active Pen 2 - With Battery 5T70M94879 GX80N07827
Lenovo Active Pen 2 –With Battery 03X7458 4X80Q75521 
Lenovo Active Pen 2 –Without Battery 5T70M94878 GX80Q75525
Lenovo Active Pen 2 –Without Battery 03X7459 4X80Q75522
Lenovo Active Pen 2 –Without Battery 5T70M94881 GX80Q75526

Lenovo Active Pen 2 –With Battery 03X7460 4X80Q75523 
Lenovo Active Pen 2 –With Battery 5T70P15727 GX80Q75527
Lenovo Active Pen 2 –With Battery 03X7461 4X80Q75524

Lenovo Active Pen 2 –With Battery 5T70P15728 GX80Q75528