Corne V4 Low Profile Split Keyboard Customized RGB Single-mode Wired Split Mechanical Keyboard Ergonomics VIAL Keymap Red Switch

Introducing the V4a Latest Version Split Keyboard—your ideal companion for efficient, comfortable work and daily use, designed with a focus on ultra-thinness, portability, and ergonomics. Built to the Corne V4 layout, this split keyboard redefines convenience while easing hand and shoulder fatigue, even during long hours of typing.<br><br>At the heart of its design is an ultra-slim build that stands out. Crafted with a two-layer structure of FR-4 material and an aluminum base plate, paired with low-profile red switches, it achieves an incredibly low height of approximately 17.2mm with keycaps included (see Side View for details). Each split section measures just 133mm*95mm, and its lightweight construction makes it easy to carry in a laptop bag—perfect for home, office, or on-the-go use.<br><br>Efficiency is woven into every key. We’ve added independent copy, cut, paste, and undo keys right in the middle, eliminating the need for cumbersome shortcut combinations and speeding up your workflow. If you prefer an independent number row, check out our V5a or V6e models. The pre-configured key layout is thoughtfully designed, too: simply press down with your left or right thumb to switch between 1st and 2nd layers, unlocking full keyboard keycode output. The left thumb layer controls numbers and symbols, while the right thumb layer handles arrow keys and F-function keys—an intuitive method that’s easy to master in no time.<br><br>Tech-savvy and practical, the keyboard features RGB lighting on the F and J keys. By default, these lights cycle through vibrant colors, turn teal when Caps Lock is active, and switch to white when changing layers—adding a touch of modern style without being overly flashy. It’s also widely compatible with Windows, macOS, Linux, and Android systems, fitting seamlessly into any setup.<br><br>For connectivity, it uses a wired single-mode Type-C interface with a detachable cable design. A short connecting cable is included to link the left and right split sections—no need to worry about direction, just plug and play. Note that the cable for connecting to your computer is not included, but you can add it for free shipping by purchasing our separate 【Keyboard Connection Cable】.<br><br>This is a ready-to-use finished product equipped with low-profile red switches, designed with soldered switches (non-hot-swappable). If you have preferred switches, opt for our kit and choose compatible low-profile switches (as shown), then solder them yourself or use our paid soldering service. We also offer a hot-swappable standard switch version—see our V4 model for details if ultra-thinness isn’t your top priority. Keycaps are available in black or white; please note that keycap color and character patterns may vary slightly from the images across different batches.<br><br>Powered by QMK firmware, it supports NKRO (N-Key Rollover) for smooth, error-free typing. The VIAL remapping function is powerful and requires no JSON files, plus it offers 9 rich layers to customize your layout to your needs.<br><br>We keep stock ready for immediate shipping. In case of temporary stockouts, orders will ship within 3-5 business days. It comes in simple express packaging, with a maximum of 2 sets per shipment—please place separate orders if purchasing more. We provide a 3-month warranty for non-human damage during the period, but return shipping costs are not covered, and returns/exchanges or product buybacks are not supported.<br><br>Designed and made by the X.Tips team, this is a handcrafted product (not mass-produced with machine molding), so the surface may not be perfectly smooth, and keycap characters may not align 100% with the key layout chart. We only sell the product and do not provide design/making materials or technical support; users need to learn VIAL remapping independently.<br><br>Choose the V4a low-profile switch version—where ultra-thin portability meets efficient office use, all in one reliable keyboard.

• Ultra-thin & portable: FR-4 + aluminum base, ~17.2mm with keycaps, 133mm*95mm per split section.
• Ergonomic & efficient: Thumb layer control, independent copy/paste keys, reduces fatigue.
• Practical RGB lighting: Cycle colors, Caps Lock/layer indicators, sleek tech style.
• Multi-system compatible: Works with Windows, macOS, Linux, Android—versatile for any setup