Sintrax Mathematical Keyboard Wireless Bluetooth USB White QWERTY English

This New Nitrex Mathematical Keyboard is a compact design model.This is a white Bluetooth Connection board. It is supplied with a USB-A-Dongle for Wireless Connections. This is located on the backside of board to the right of battery compartment. The battery compartment takes 2 AAA batteries. This keyboard is Windows compatible. Included with the keyboard is USB-C rechargeable cord . . This 78 combination key board has 55 scientific and Greek letters. This is a great addition to increase one's speed when working with scientific information. If you have any questions about the keyboard, please text me. Please take time to look at my other items. You may find something else that may interest you. Thank you.