And A4Tech KBS-2830 Silver USB

Color: Grey
Brand: A4Tech
Equipment: Keyboard and mouse
Design: Rhombic Anti RSI
Description: Wireless kit: wireless mouse, connection interface: USB, radio channel, color: grey, mouse type: optical LED, keyboard type: membrane, optical sensor resolution: 800 dpi
Peculiarities: Wireless mouse without batteries - powered by carpet. Built-in keyboard connectors for headphones, speakers, microphone.
Type: Membranous
Purpose: Desktop computer
Wireless connection: There is
Built-in USB hub: There is
Connection interface: USB, radio channel
Scroll wheel: There is
Wireless type: Radio channel
Ability to encrypt data: There is
Numeric block: There is
Number of additional keys: 12
Trackball: No
Optical sensor resolution: 800 dpi