And A4Tech GX-6630 Silver USB

Color: Silver
Brand: A4Tech
Equipment: Keyboard and mouse
Design: Classical
Description: Wireless kit: wireless keyboard, wireless mouse, connection interface: USB, radio channel, color: silver, mouse type: optical LED, keyboard type: membrane, optical sensor resolution
Peculiarities: 800-1000-1200-1600 DPI
Type: Membranous
Purpose: Desktop computer
Wireless connection: There is
Connection interface: USB, radio channel
Scroll wheel: There is
Wireless range: 1.5 m
Wireless type: Radio channel
Ability to encrypt data: There is
Number of keys: 112
Numeric block: There is
Number of additional keys: 8
Horizontal scroll: There is
Trackball: No
Polling frequency: 500 Hz
Mouse power supply: 1xAA
Optical sensor resolution: 1600 dpi
Keyboard power supply: 2xAAA