The keyboard case is compatible with both the PinePhone and PinePhone Pro and features a clam-shell design. It uses pogo pins located on the smartphone’s midsection and attaches by replacing the default back cover. This add-on effectively turns the PinePhone (Pro) into a PDA with an in-built LTE modem. The keyboard case is supported by multiple mobile Linux operating systems including, but not limited to: Manjaro Linux, DanctNIX Arch Linux, postmarketOS and Mobian. The keyboard case’s main features include: Easily relocated keycaps for alternate layouts such as AZERTY or QWERTZ (Default) A large (6000mAh) internal battery capable of charging the PinePhone (Pro); the battery can be manually toggled ON/OFF A programmable open firmware by Megi USB-C port capable of simultaneously charging the keyboard case and PinePhone (Pro) Access to all external PinePhone (Pro) features and functionality An understated and unbranded design; chassis are gloss black while the keycaps are dark matte gray Body Black chassis Matte dark gray key caps Dimensions (closed): 161 x 95 x 21.5mm Weight (without PinePhone /Pro): ~191 grams Number of keys: 54 Number of key rows: 5 Features ISO QWERTY layout (key caps can be rearranged) Pogo pin connector 6000mAh internal battery with manual ON/OFF toggle USB-C for charging, capable of powering the case and PinePhone (Pro) Open and programmable firmware Unpopulated internal USB header for hacking in additional functionality Key internal components IP5209 charging controller EM85F684A USB controller I/O USB-C power-in (no data) – 3A@5V Pogo pin connector Internal USB 2.0 unpopulated header Other Compatible with PinePhone and PinePhone Pro