And A4Tech KBS-2755ZRP Silver PS/2

Color: Multiple colors
Brand: A4Tech
Equipment: Keyboard and mouse
Design: Rhombic Anti RSI
Description: Wireless kit: wireless keyboard, wireless mouse, connection interface: PS/2, radio channel, color: multiple colors, mouse type: optical LED, keyboard type: membrane, optical resolution
Type: Membranous
Dimensions WxHxD: 432x25x208mm
Purpose: Desktop computer
Wireless connection: There is
Connection interface: PS/2, radio channel
Scroll wheel: There is
Wireless range: 2 m
Wireless type: Radio channel
Ability to encrypt data: There is
Number of keys: 115
Numeric block: There is
Number of additional keys: 12
Key travel: 2.6 mm
Trackball: No
Optical sensor resolution: 800 dpi