
ProtoArc Foldable Bluetooth Keyboard, XK01 Full-Size Portable Wireless Keyboard for Travel, 105 Keys, 0.65" Keycaps, Multi-Device Sync for iPad Tablet Smartphone Laptop PC Windows iOS Android, Green
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AI Verdict
This is a 105-key, tri-fold Bluetooth 5.1 keyboard with 0.65-inch keycaps, designed for portable multi-device use across Windows, macOS, iOS, and Android.
This keyboard is a situational fit for those prioritizing extreme portability and the inclusion of a numeric pad in a folding design. Its 8.46 x 4.68 x 0.78 inch folded size and 1.06-pound weight are excellent for travel, but the lack of backlighting and tilt, plus shallow key travel, mean it's not ideal for all-day, every-day typing or low-light conditions.
If backlighting and ergonomic tilt are crucial, look for a non-folding portable keyboard or a model explicitly stating those features.
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Pros
- Folds down to 8.46 x 4.68 x 0.78 inches, making it highly portable for travel.
- Includes a full numeric pad and dedicated function row with 105 keys, which is uncommon for a folding keyboard.
- Connects to three devices simultaneously via Bluetooth 5.1, allowing quick switching with a single button press.
- Scissor-switch keys provide a quiet typing experience, suitable for shared environments.
- Features a USB-C charging port and an auto-sleep function for up to 150 days of standby time.
- Internal aluminum hinge is tested for 10,000+ folds, suggesting durability for frequent use.
Cons
- Lacks backlighting, which can be a drawback in low-light conditions.
- The keyboard is flat and does not offer any tilt adjustment, which some users might find uncomfortable.
- Key travel is shallow (approximately 1.3 mm), which might not satisfy users accustomed to deeper key presses.
- Despite being a 'full-size' 105-key layout, some users report the overall layout feels cramped due to the folding design.
- The matte finish attracts fingerprints easily.
Dimension Scores
The scissor-switch keys offer quiet operation and some tactile feedback, but the shallow 1.3 mm key travel is a compromise for portability.
Utilizing Bluetooth 5.1, the keyboard offers seamless multi-device pairing for up to three devices with quick switching.
This specific model, the XK01, explicitly does not include backlighting.
The internal aluminum hinge is tested for 10,000+ folds, and the keyboard feels solid when unfolded on a flat surface.
Best For
- Travelers needing a full numeric pad and function row in a compact form factor.
- Multitaskers who switch between a laptop, tablet, and smartphone frequently.
- Individuals working in noise-sensitive environments like libraries or coffee shops.
- Users of Steam Deck or other portable gaming devices who need a physical keyboard for desktop mode.
Not Recommended For
- Users who require keyboard backlighting for typing in dim conditions.
- Anyone needing ergonomic tilt or height adjustment for wrist comfort.
- Typists who prefer a deeper key travel or the tactile feedback of mechanical switches.
Watch Out For
- No backlight means you're typing in the dark if your environment isn't lit.
- The keyboard lies completely flat, lacking any built-in tilt, which can lead to wrist strain over extended use.
- Key travel is approximately 1.3 mm, which is shorter than many standard laptop or desktop keyboards, potentially affecting typing speed or comfort for some.
- Despite having 105 keys, the folding mechanism results in a somewhat cramped layout that takes getting used to.
- The matte black finish shows fingerprints very easily, requiring frequent cleaning to maintain appearance.
Full Specifications
| ASIN | B0D9JQXRDQ |
| Brand | ProtoArc |
| Color | Dark Green |
| Style | Modern |
| Material | Acrylonitrile Butadiene Styrene |
| Item Weight | 1.06 pounds |
| Manufacturer | ProtoArc |
| Special Feature | Foldable, Hotkeys and Media Keys, Portable, Rechargeable |
| Item model number | XK01 |
| Compatible Devices | Laptop, PC, Smartphone, Tablet |
| Product Dimensions | 15.2 x 4.7 x 0.48 inches |
| Keyboard Description | Portable Foldable Wireless Full-Size Keyboard with Scissor Switches and Multimedia Keys |
| Connectivity Technology | Bluetooth |
| Recommended Uses For Product | Business |
What Buyers Say
Users often highlight the ProtoArc XK01's ability to provide a full numeric pad in a highly portable, tri-fold design, which is a rare combination for travel keyboards. The quiet scissor switches are frequently mentioned as beneficial for typing in public spaces without disturbing others. However, the absence of backlighting is a consistent point of contention, limiting its usability in dim environments. Many also note the flat design with no tilt, which can affect comfort during longer typing sessions.
“Okay, so it folds up super tiny and has a numpad, which is awesome for my work trips, but seriously, no backlight? And it just lays flat, my wrists are gonna hate me after a long email session. Still, it's pretty quiet, so I'm not annoying everyone at the coffee shop.”
Common Praise
- Folds into a very small package, fitting easily into bags.
- Includes a full 105-key layout with a numeric pad.
- Connects and switches quickly between up to three Bluetooth devices.
- Scissor-switch keys are quiet, making it suitable for shared spaces.
- USB-C charging and long standby time (150 days) are appreciated for travel.
- Feels solid and well-constructed once unfolded on a flat surface.
Common Complaints
- No backlighting makes typing difficult in low-light conditions.
- The keyboard lies completely flat, offering no ergonomic tilt.
- Key travel is shallow, which some typists find less satisfying.
- The 'full-size' layout can feel cramped due to the folding design.
- The matte finish attracts fingerprints easily.
Ownership Tips
- After a few weeks, you'll notice the matte finish is a magnet for fingerprints, requiring regular wiping.
- The lack of tilt means you might start propping it up with something if you type for more than an hour.
- Switching between devices is genuinely fast, making it easy to jump from tablet to phone without re-pairing.
- The quiet keys are a real benefit in public, but the shallow travel means you won't get that satisfying 'click' if you're into that.
- Muscle memory might make you miss the spacebar initially due to the folding seam, but you adapt over time.
Frequently Asked Questions
Does the ProtoArc XK01 keyboard have backlighting?
No, the ProtoArc XK01 keyboard does not have backlighting. If you need a backlit version, ProtoArc suggests considering their upgraded XK01 Plus model.
How many devices can this keyboard connect to?
The keyboard can connect to up to three devices simultaneously via Bluetooth 5.1. You can switch between these connected devices with a single button press.
What type of key switches does the XK01 use?
It uses quiet scissor-switch keys. These are designed for low-profile typing with reduced noise, making them suitable for shared workspaces.
What is the battery life of the ProtoArc XK01?
The keyboard features an auto-sleep function that extends its standby time to 150 days. It recharges via an included USB-C cable.
Is the keyboard compatible with different operating systems?
Yes, it works seamlessly across Windows, macOS, iOS, and Android devices, including laptops, PCs, smartphones, and tablets.
Buying Guide
When looking at foldable keyboards, you're always making a trade-off between portability and a traditional typing experience. A 'full-size' claim on a folding keyboard often means all the keys are present, but the layout might be more compressed than a standard desktop keyboard. Consider how much you value a numeric pad versus a truly spacious key layout, and if backlighting is a must-have for your typical typing environments.
Tri-Fold Design
This means the keyboard folds into three sections, drastically reducing its footprint to 8.46 x 4.68 x 0.78 inches when closed. It's like folding a magazine in half to fit it into a smaller bag, making it incredibly easy to carry for travel without taking up much space.
105 Keys with 0.65in Keycaps
Having 105 keys means you get a full numeric pad and a dedicated function row, which is rare for such a compact device. The 0.65-inch keycaps are a decent size, but because it's a folding design, the overall spacing might feel slightly tighter than a non-folding full-size keyboard.
Bluetooth 5.1 & 3-Device Switching
Bluetooth 5.1 provides a stable wireless connection, and the ability to switch between three devices (like your phone, tablet, and laptop) with a single button press is a huge time-saver. It's like having one remote control that instantly works with three different TVs.
Scissor Switches
These are the same type of switches found in most modern laptops. They offer a low-profile key with a relatively short travel distance and a quiet press. This means less noise in public spaces and a familiar, if not deeply tactile, typing feel.
Alternatives
If you need backlighting or a more ergonomic typing angle, look for portable keyboards that are not foldable or specifically mention adjustable feet. For a more satisfying key feel, consider portable mechanical keyboards, though they will be larger and heavier.



