2.4 inch Display Screen Anti-peeping E-book Calculator, Support Sound Recording / Radio / Music & Video Playing, Anti-peeping Scientific Calculator1. Multifunctional, not only has calculator function, but also has e book reader function. 2. Comfortable e book, text document reading 3. Privacy screen, it is difficult for others to read your display from the side. 4. One touch lock calculator use, shortcuts to calculator functions. Shortcuts from calculator functions to tax readings. 5. Support USB charging and data transfer. 6. Easily transfer text documents from computer to device. 7. Battery

Power supply: 9-24V

Digital Video Interface (DVI) is the standard interface for high-performance connectivity between computers and flat panel displays

Simple button control

Press to play/pause

Loading Container 20GP: 590 cartons * 100 pcs = 59000 pcs

light stand or other supports using the 1/4 inch screw thread on the underside

Suitable for Samsung Galaxy S10/Note9/S9 support Dex mode

providing greater freedom of movement and ease of use

General Bluetooth Version V3

Restore your Samsung Galaxy Note10+ to its optimal performance with our Original Charging Port Board

Material: all-metal case

Sensitivity: 84dB