Keyboard and support----Take the lead in entering the era of mobile office.Set:Folding bracket/ Keyboard/ Mouse/Capacitor pen.Compatible with Galaxy Z Fold 4, Galaxy Z Fold 3 (2021), Galaxy Z Fold 2 (2020), Galaxy Z Fold 1 (2019). Wireless Bluetooth Connect----This galaxy z fold 4 keyboard easy to use with wireless bluetooth connection without external power and cable, and max wireless bluetooth distance is up to 10 meters with bluetooth 3.0 technology. With Bluetooth Wireless Mouse----This bluetooth wireless mouse mode works with Galaxy Z Fold 4/Fold 3/Fold 2/Fold 1. this wireless bluetooth mouse is perfect to fit your hands, providing a comfortable using experience, simple convenient to work from the desktop to the z fold 4. Capacitive Pen Sensitive & Precise----This capacitive pen features the precision, and natural fluidity of a traditional writing instrument, you can write notes, draw doodles, mark on documents on smart phones for smoothly writing and drawing. Best Stylus for artist, journalist, teacher and students etc. One-piece folding light and convenient----Folding bracket can be easily placed into a backpack and use it where you go.Non-slip ono - damage machine,free to take and put.Set it where you want it,adjust the angle.