COMPATIBILITY: This Galaxy Z Fold 4 keyboard with holster and bluetooth wirelessly connects, new office experience, Typing sensitive and quite which bring you a perfect typing experience, bluetooth keyboard compatible with Samsung Galaxy Z Fold 4, Galaxy Z Fold 3 (2021), Galaxy Z Fold 2 (2020). 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. which is very easy to carry without taking up more space on your bag or desk when you are outside like travel. With Bluetooth Wireless Mouse: This bluetooth wireless mouse mode works with Galaxy Z Fold 4/ Galaxy Z Fold 3. 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, tested over 10 million times click lifespan ensure long-term stable use. Duo to transportation issue here need to prepare AAA Battery by yourselves. 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 galaxy z fold 4/ fold 3 smart phones for smoothly writing and drawing. Best Stylus for artist, journalist, teacher and students etc. Functional Leather Case: Selection of grain leather, transfer delicate touch between the palm, removable high quality leather magnetic case four-speed adjustment bracket with adjustable angle, there is a built in pen slot inside of it which fit perfectly without tight and loose, and you can easily put in or take off your pen or capacitive pen.