Key Board Mini Wireless With Drag Pad soldering It attaches to Pi by

It attaches to Pi by way of one of the small sockets on the board upper surface and uses the dedicated CSi interface

Interface: TTL Serial

1 x Receiver

Thanks to SEMTECH's patented LoRa™ modulation technology

3pcs Line tracking module

Key Board Mini Wireless With Drag Pad soldering It attaches to Pi by3 in 1 MultiFunction 2. 4GHz Mini Wireless QWERTY keyboard, TouchPad combo, LED backlit with USB interface adapter. Perfect combo: 92 keys Wireless QWERTY Keyboard + Touchpad which support multi finger functions, A single finger click as left mouse function, two finger click as the right mouse function, double finger drag as the rolling screen Built in high sensitive smart touchpad with 360 degree flip design.