ProtoArc Bluetooth Keyboard for iPad, K90-A Backlit Compact Wireless Keyboard for Mac, Multi-Device, Low Profile, Fluid Quiet Typing, Rechargeable, Compatible with MacBook Pro/Air, iMac - Space Gray
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AI Verdict
A compact, backlit Bluetooth keyboard for Mac and iOS users needing multi-device switching and quiet, low-profile typing.
This keyboard is a strong fit for Apple users who prioritize portability and multi-device connectivity, especially for iPad and Mac. Its compact design and backlighting cater to specific mobile and low-light use cases. However, the lack of angle adjustment and potential for Bluetooth lag make it a situational choice.
If you need Windows compatibility or a numeric keypad, look for keyboards explicitly stating those features and broader OS support.
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Pros
- Connects to 3 devices via Bluetooth, with dedicated buttons for switching between them.
- Features a 1200mAh rechargeable battery, entering sleep mode after 60 minutes of inactivity.
- Offers three soft white LED brightness levels for backlighting, reducing eye strain in dim environments.
- Low-profile scissor mechanism keys provide tactile feedback and a quiet typing experience.
- Compact layout without a numeric keypad, designed for portability.
- Metallic material contributes to an 82% user-rated build quality.
Cons
- Lacks fold-out feet, so the keyboard sits flat on surfaces.
- Not compatible with Windows, Linux, or Mac devices manufactured before 2013 or running macOS below 10.12 [Product Data].
- The accompanying cable is solely for charging and does not support wired use [Product Data].
- Some users have reported Bluetooth lag with ProtoArc keyboards, which could affect connection stability.
Dimension Scores
The low-profile scissor mechanism keys offer tactile feedback and are described as quiet and responsive, matching the feel of some quality laptop keyboards [Product Data, cite: 1, 7].
Multi-device connectivity is rated at 91%, but one user reported Bluetooth lag with a ProtoArc keyboard, indicating potential inconsistencies.
It offers three soft white LED brightness levels for customizable illumination, with backlighting functionality rated at 85% by users [Product Data, cite: 1].
Constructed with metallic material and rated at 82% for build quality by users, suggesting a durable feel [Product Data, cite: 1].
Best For
- Users with multiple Apple devices (Mac, iPad, iPhone) who switch frequently.
- Individuals needing a portable keyboard for travel or small workspaces.
- Typing in low-light conditions due to its three-level soft white backlighting.
- Anyone preferring a compact keyboard without a numeric keypad for a minimalist setup.
Not Recommended For
- Users who require a numeric keypad for data entry.
- Anyone needing Windows or Linux compatibility [Product Data].
- Users who prefer an angled typing experience, as it lacks adjustable feet.
Watch Out For
- The keyboard sits completely flat, with no option to adjust the typing angle, which can be uncomfortable for some users.
- One user reported experiencing Bluetooth lag with a ProtoArc keyboard, indicating potential connection stability issues.
- The 1.45-pound weight might be heavier than expected for a compact, portable keyboard, impacting ease of transport for some [Product Data].
Full Specifications
| ASIN | B0FH6W6V4P |
| Brand | ProtoArc |
| Color | Space Gray |
| Style | Contemporary |
| Material | Metalic |
| Item Weight | 1.45 pounds |
| Manufacturer | ProtoArc |
| Item model number | K90-A |
| Package Dimensions | 11.93 x 6.42 x 1.22 inches |
| Keyboard Description | Multimedia |
| Connectivity Technology | Bluetooth |
| Recommended Uses For Product | Business, Everyday Use, Multimedia, Personal, Student |
| Keyboard backlighting color support | Single Color |
What Buyers Say
Users really dig how easy it is to switch between their Mac, iPad, and iPhone with this thing, which is a huge win for anyone juggling multiple Apple gadgets. The typing experience gets a lot of love too, with people calling the low-profile keys quiet and responsive, almost like a good laptop keyboard. The backlighting is a definite plus for late-night work, offering three brightness levels that actually help reduce eye strain. However, a recurring gripe is that it just sits flat on the desk; no adjustable feet means no ergonomic tilt, which is a bummer for long typing sessions.
“Ugh, why can't it just tilt? My wrists are killing me after an hour, but at least I can jump from my iPad to my MacBook without a fuss, and the keys feel pretty good for a compact thing.”
Common Praise
- Seamlessly switches between up to 3 connected Bluetooth devices using dedicated buttons.
- Low-profile scissor keys provide a quiet and responsive typing experience with tactile feedback.
- The three levels of soft white LED backlighting are effective for typing in dim lighting.
- Compact design without a numeric keypad makes it highly portable for small spaces and travel.
- The 1200mAh rechargeable battery offers extended use and has an energy-saving sleep mode.
Common Complaints
- The keyboard lacks any adjustable feet, forcing it to lay completely flat on a surface.
- Not compatible with Windows or Linux operating systems [Product Data].
- Some users have reported experiencing Bluetooth lag with ProtoArc keyboards, impacting responsiveness.
- The charging cable is only for power, meaning no wired connection option [Product Data].
Ownership Tips
- The 1.45-pound weight feels substantial for a compact keyboard, not feather-light for tossing into a small bag [Product Data].
- You'll need to manually reactivate the backlighting after the keyboard wakes from sleep mode [Product Data].
- The 'full-size' layout mentioned in some descriptions is misleading; it's definitely a compact keyboard without a numeric keypad [Product Data, cite: 1].
- The metallic material feels more premium than typical plastic budget keyboards [Product Data, cite: 1].
Frequently Asked Questions
Is this keyboard compatible with Windows PCs?
No, this keyboard is designed for Mac OS 10.12 or later, iOS, and iPadOS 13.0 or above. It is not compatible with Windows or Linux [Product Data].
Can I use this keyboard wired if the battery dies?
No, the accompanying cable is only for charging the built-in 1200mAh rechargeable battery. This device is not a wired keyboard [Product Data].
Does this keyboard have a numeric keypad?
No, the K90-A features a compact layout and does not include a numeric keypad [Product Data, cite: 1].
How many devices can I connect to this keyboard simultaneously?
You can connect up to 3 devices simultaneously using its 3 Bluetooth channels and switch between them with a mode switch button [Product Data, cite: 1].
Does the keyboard have adjustable feet to change the typing angle?
No, user feedback indicates that the keyboard sits flat on the desk and does not have fold-out feet for angle adjustment.
Buying Guide
When you're looking at a compact Bluetooth keyboard like this, you need to think about how you'll actually use it. Is it for quick emails on the go, or are you planning long typing sessions? Since it's Mac/iOS only, make sure it fits your ecosystem. The lack of a numeric keypad means it's smaller, but if you crunch numbers a lot, that's a deal-breaker. Also, consider if you absolutely need an adjustable typing angle, because this one sits flat.
Connectivity: Bluetooth
This means it connects wirelessly to your devices without needing a USB dongle, which is super handy for iPads or MacBooks with limited ports. You just pair it up like headphones.
Backlighting: Single Color (3 brightness levels)
If you ever type in dim rooms or at night, backlighting is a lifesaver. Three brightness levels let you adjust it so it's not too bright or too dim, like adjusting the brightness on your phone screen.
Layout: Compact (no numeric keypad)
A compact layout means it's smaller and easier to carry around, freeing up desk space. But it also means no dedicated number pad on the right, so if you do a lot of data entry, you'll be using the number row above the letters.
Multi-Device: 3 Bluetooth channels
This is a game-changer if you use an iPad, an iPhone, and a MacBook. You can switch between typing on each device with a single button press, like changing channels on a TV, instead of constantly re-pairing.
Alternatives
If this keyboard doesn't quite fit, look for models with a full numeric keypad for data entry, or those with adjustable tilt feet for ergonomic comfort. If you need Windows compatibility, search for keyboards explicitly supporting multiple operating systems.
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