The Razer Phantom Keycap Upgrade Set in white is designed for mechanical keyboards, specifically the Razer Phantom model. The set includes illuminated keycaps with enhanced function keys for a visually appealing and functional upgrade. Made in China, these keycaps feature a QWERTY layout in English, making them suitable for standard keyboard users. With USB connectivity, this upgrade set offers a sleek and stylish option for those looking to customize their keyboard.