Bluetooth Wireless Keyboard for Mac Professionals
ProtoArc K90-A Backlit Bluetooth Mac Keyboard
Merchant VideoAre you searching for the perfect keyboard to pair with your iPad? Meet the K90-A wireless keyboard for iPad designed to supercharge your productivity. Compatible with iPad, iPad Air, and iPad Pro, the K90-A effortlessly transforms your tablet into a powerful alternative to a traditional MacBook Neo
The Ultimate Alternative to Magic Keyboard without Touch ID
If you've ever had trouble typing in low light or want to add a stylish touch to your desk, ProtoArc K90-A backlit keyboard for Mac is the perfect solution. By eliminating the numpad, this space-saving design lets you position your mouse closer to your body and making your workspace more efficient
Seamlessly Switch between Devices for Ultimate Productivity
A compact bluetooth keyboard helps reduce desk clutter, allowing you to type faster and more comfortably. Note: ProtoArc K90-A Keyboard is designed primarily for macOS and may not be fully compatible with Windows. The media keys and function keys don't work on Windows
ProtoArc Backlit Mac Models
 Compact Mac Keyboard |  Aluminum Mac Keyboard |  Full-Size Mac Keyboard |  Aluminum Mac Combo |  Full-Size Mac Combo |  Small Mac Keyboard Mouse | |
|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — |
Price | — | — | — | — | — | — |
Version | Entry Level | Flagship Model | Mid-Range Model | Flagship Model | Mid-Range Model | Entry Level |
Material | Metallic | Aluminum | Plastic | Aluminum | Plastic | Metallic |
Connection Type | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 |
Operating System | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above |
Compatible Devices | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad |
Layout | Compact layout, no numpad | Full Size layout, with numpad | Full Size layout, with numpad | Full Size layout, with numpad | Full Size layout, with numpad | Compact layout, no numpad |
Keyboard Dimensions L x W | 11.2"L x 4.7"W | 16.7"L x 4.4"W | 16.7"L x 4.8"W | 16.7"L x 4.4"W | 16.7"L x 4.7"W | 11.2"L x 4.7"W |
Number of Keys | 78 | 110 | 109 | 110 | 109 | 78 |
Backlight | ? | ? | ? | ? | ? | ? |
USB C Rechargeable | ? | ? | ? | ? | ? | ? |
Numeric Keypad | ? | ? | ? | ? | ? | ? |
Windows Compatible | ? | ? | ? | ? | ? | ? |
The keyboard cannot connect to your device
1.Ensure that the keyboard is fully charged.
2.Confirm that the keyboard is in the correct mode.
3.Delete the keyboard's Bluetooth pairing from your device's Bluetooth listing.
4.Repair the keyboard with your device.
Some keyboard keys do not work / Keyboard keys have typing delay / Keyboard keys repeat typing:
1. Ensure that the keyboard is fully charged.
2. Delete the keyboard's Bluetooth connection from your computer's Bluetooth connection history. After deleting the Bluetooth connection, restart your computer.
3. Re-pair the keyboard with your computer
Is K90-A Bluetooth Keyboard compatible with Windows PCs?
No. This K90-A keyboard is designed exclusively for macOS 10.12 and above, iPadOS 13.0, and iOS 13.0 and above. Device manufactured before 2013 or running macOS versions below 10.12 are not supported. It does not support Windows, Android, or Linux
On macOS, why do the keyboard keys 7, 8, 9, U, I, O, J, K, or the number keys (0-9) on the keypad, stop responding?
Because the "Mouse Keys" feature is enabled, to disable this feature on MacBook, iMac, and Mac Mini, follow these steps:
? Go to Settings > Accessibility > Pointer Control > Mouse Keys.
? Toggle the Mouse Keys switch to the off position.
After the device restart that required login, the keyboard wouldn't reconnect?
The reason is FileVault On Mac. To disable FileVault:
1. Go to System Settings/System Preferences 2. Click Privacy & Security 3. Click FileVault 4. Click the lock icon in the bottom left and enter your password. 5. Click Turn Off Encryption
How to Use Multimedia or F1-F12 function?
The Bluetooth keyboard comes preconfigured with multimedia functions. The F1-F12 functions need to be activated by pressing Fn + F1-F12 keys. Or you can set the keyboard to the F1-F12 functions by default on your Mac
How long does it take for the keyboard backlight to automatically turn off if not in use?
If the keyboard is not in use for 2 minutes, the backlight will automatically turn off and can be awakened by pressing any key.
Does the keyboard come with a USB receiver or bluetooth adapter?
No. The keyboard connects only via Bluetooth — no dongle, no port clogging. lt's designed for the clean wireless experience mac users expect
Can i connect and switch between multiple devices with the keyboard?
Yes. The keyboard offers 3 bluetooth channels and supports bluetooth 5.1 version or above. Using our keyboard for multiple devices helps declutter your workspace by eliminating the need for separate peripherals for each device.
How to know if the keyboard is at low battery?
When the battery is low, the low battery indicator light will start flashing in red until the keyboard is turned off. Low battery power can cause performance issues such as response delay and keys sticking
Mission
At ProtoArc, our mission is to deliver innovative workspace solutions that enhance comfort, boost productivity, and foster overall wellness.
Vision
We believe that everyone deserves a workspace that not only meets their functional needs but also empowers them to thrive. Our vision is a world where work environments promote health, happiness, and high performance.
Foldable Keyboard Series
Mac Keyboard and Mouse
Bluetooth Wireless Keyboard for Mac Professionals
ProtoArc K90-A Backlit Bluetooth Mac Keyboard
Merchant VideoAre you searching for the perfect keyboard to pair with your iPad? Meet the K90-A wireless keyboard for iPad designed to supercharge your productivity. Compatible with iPad, iPad Air, and iPad Pro, the K90-A effortlessly transforms your tablet into a powerful alternative to a traditional MacBook Neo
The Ultimate Alternative to Magic Keyboard without Touch ID
If you've ever had trouble typing in low light or want to add a stylish touch to your desk, ProtoArc K90-A backlit keyboard for Mac is the perfect solution. By eliminating the numpad, this space-saving design lets you position your mouse closer to your body and making your workspace more efficient
Seamlessly Switch between Devices for Ultimate Productivity
A compact bluetooth keyboard helps reduce desk clutter, allowing you to type faster and more comfortably. Note: ProtoArc K90-A Keyboard is designed primarily for macOS and may not be fully compatible with Windows. The media keys and function keys don't work on Windows
Discover the ProtoArc Compact Keyboard without Numeric Keypad
Certified Sustainability, Trusted Excellence
Designed for Wellness, Built for Mac, Certified for Earth
ProtoArc K90-A bluetooth keyboard for iPad is perfect for work, general tasks, and everyday use. However, gaming is not recommended
ProtoArc Backlit Mac Models
Compact Mac Keyboard | Aluminum Mac Keyboard | Full-Size Mac Keyboard | Aluminum Mac Combo | Full-Size Mac Combo | Small Mac Keyboard Mouse |
|---|---|---|---|---|---|
| Customer Reviews | |||||
| — | — | — | — | — | — |
| Price | |||||
| — | — | — | — | — | — |
| Version | |||||
| Entry Level | Flagship Model | Mid-Range Model | Flagship Model | Mid-Range Model | Entry Level |
| Material | |||||
| Metallic | Aluminum | Plastic | Aluminum | Plastic | Metallic |
| Connection Type | |||||
| 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 | 3 * Bluetooth 5.1 |
| Operating System | |||||
| Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above | Mac OS X 10.12 and above |
| Compatible Devices | |||||
| MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad | MacBook Pro/Air, iMac, iPad |
| Layout | |||||
| Compact layout, no numpad | Full Size layout, with numpad | Full Size layout, with numpad | Full Size layout, with numpad | Full Size layout, with numpad | Compact layout, no numpad |
| Keyboard Dimensions L x W | |||||
| 11.2"L x 4.7"W | 16.7"L x 4.4"W | 16.7"L x 4.8"W | 16.7"L x 4.4"W | 16.7"L x 4.7"W | 11.2"L x 4.7"W |
| Number of Keys | |||||
| 78 | 110 | 109 | 110 | 109 | 78 |
| Backlight | |||||
| ? | ? | ? | ? | ? | ? |
| USB C Rechargeable | |||||
| ? | ? | ? | ? | ? | ? |
| Numeric Keypad | |||||
| ? | ? | ? | ? | ? | ? |
| Windows Compatible | |||||
| ? | ? | ? | ? | ? | ? |
The keyboard cannot connect to your device
1.Ensure that the keyboard is fully charged.
2.Confirm that the keyboard is in the correct mode.
3.Delete the keyboard's Bluetooth pairing from your device's Bluetooth listing.
4.Repair the keyboard with your device.
Some keyboard keys do not work / Keyboard keys have typing delay / Keyboard keys repeat typing:
1. Ensure that the keyboard is fully charged.
2. Delete the keyboard's Bluetooth connection from your computer's Bluetooth connection history. After deleting the Bluetooth connection, restart your computer.
3. Re-pair the keyboard with your computer
Is K90-A Bluetooth Keyboard compatible with Windows PCs?
No. This K90-A keyboard is designed exclusively for macOS 10.12 and above, iPadOS 13.0, and iOS 13.0 and above. Device manufactured before 2013 or running macOS versions below 10.12 are not supported. It does not support Windows, Android, or Linux
On macOS, why do the keyboard keys 7, 8, 9, U, I, O, J, K, or the number keys (0-9) on the keypad, stop responding?
Because the "Mouse Keys" feature is enabled, to disable this feature on MacBook, iMac, and Mac Mini, follow these steps:
? Go to Settings > Accessibility > Pointer Control > Mouse Keys.
? Toggle the Mouse Keys switch to the off position.
After the device restart that required login, the keyboard wouldn't reconnect?
The reason is FileVault On Mac. To disable FileVault:
1. Go to System Settings/System Preferences 2. Click Privacy & Security 3. Click FileVault 4. Click the lock icon in the bottom left and enter your password. 5. Click Turn Off Encryption
How to Use Multimedia or F1-F12 function?
The Bluetooth keyboard comes preconfigured with multimedia functions. The F1-F12 functions need to be activated by pressing Fn + F1-F12 keys. Or you can set the keyboard to the F1-F12 functions by default on your Mac
How long does it take for the keyboard backlight to automatically turn off if not in use?
If the keyboard is not in use for 2 minutes, the backlight will automatically turn off and can be awakened by pressing any key.
Does the keyboard come with a USB receiver or bluetooth adapter?
No. The keyboard connects only via Bluetooth — no dongle, no port clogging. lt's designed for the clean wireless experience mac users expect
Can i connect and switch between multiple devices with the keyboard?
Yes. The keyboard offers 3 bluetooth channels and supports bluetooth 5.1 version or above. Using our keyboard for multiple devices helps declutter your workspace by eliminating the need for separate peripherals for each device.
How to know if the keyboard is at low battery?
When the battery is low, the low battery indicator light will start flashing in red until the keyboard is turned off. Low battery power can cause performance issues such as response delay and keys sticking
Mission
At ProtoArc, our mission is to deliver innovative workspace solutions that enhance comfort, boost productivity, and foster overall wellness.
Vision
We believe that everyone deserves a workspace that not only meets their functional needs but also empowers them to thrive. Our vision is a world where work environments promote health, happiness, and high performance.
Foldable Keyboard Series
Mac Keyboard and Mouse