And A4Tech KBS-2548RP Silver-Grey PS/2

Color: Silver
Brand: A4Tech
Equipment: Keyboard and mouse
Design: Rhombic Anti RSI
Description: Wireless kit: wireless keyboard, wireless mouse, connection interface: Bluetooth / USB, color: multiple colors, mouse type: optical LED, keyboard type: membrane, optical sensor resolution�
Peculiarities: Left hand digital block.
Type: Membranous
Dimensions WxHxD: 456x33x211 mm
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
Number of keys: 122
Numeric block: There is
Number of additional keys: 19
Key travel: 2.6 mm
Trackball: No
Mouse power supply: 2xAA
Optical sensor resolution: 800 dpi
Keyboard power supply: 2xAA