Lenovo ThinkPad Bluetooth TrackPoint Keyboard and Stand
Provided by the ASK Keyboard Directory

Lenovo TKBBTDU811
eg, P/Ns 5N21J12538, 5N21J12541, 5N21J12545, 5N21J12546, 5N21J12547, 5N21J12552, 5N21J12554, 5N21J12560, SN21J12499, SN21J12525
Primax Electronics made 82-key (ANSI), 83-key (ISO) or 87-key (JIS) AccuType-style Bluetooth keyboard intended for Lenovo 21ES/21ET ThinkPad X1 Fold 16 Gen 1 foldable computer. It magnetically attaches to its host device and is charged via Type-C USB. It has an UltraNav consisting of a TrackPoint IV pointing stick and Sensel haptic touchpad.