Brand: Microsoft
Product: Microsoft SideWinder X4 USB wired gaming keyboard with backlit keys for use with desktop and laptop computers.
Color: Black plastic housing and keycaps with glossy top panel, integrated textured palm rest, and Microsoft branding near the numeric keypad.
Model details: Microsoft SideWinder X4 Keyboard; model 1421; keyboard model number KU-0951; MS part number X821562-001; rated 5V 350mA; made in China.
Connection: Wired USB interface with attached cable and standard USB-A plug for plug and play connection to compatible systems.
Layout: US English QWERTY standard layout with function row F1–F12, arrow keys, navigation cluster, and full numeric keypad.
Controls and indicators: Dedicated macro keys S1–S6 on the left edge, media and shortcut keys along the top row for volume, playback, and power, brightness control, and indicator LEDs for Num Lock, Caps Lock, and Scroll Lock.
Features: Backlit key illumination, integrated palm rest for wrist support, programmable macro keys for gaming or productivity shortcuts, multimedia integration via dedicated controls, and plug and play operation with compatible Windows PCs.
Material: Plastic housing and keycaps.
Package includes: Microsoft SideWinder X4 gaming keyboard KU-0951 with attached USB cable only; no software discs, driver CDs, manuals, or original retail packaging are included.
Notes: Intended for use with desktop and laptop computers that support standard USB HID keyboards.
