Entwodiksyon
The Actto CURVED Keyboard B603 is an elegantly designed keyboard engineered for comfortable typing. It features a unique curved shape and beautiful rounded keycaps, inspired by cobblestones. This model is a recipient of the prestigious Reddot 2023 Award, an international design award.
This mini-sized keyboard comes with a US layout (English arrangement) and offers versatile connectivity options, making it suitable for various devices and operating systems.

Figure 1: Actto CURVED Keyboard B603 Mini Size Black

Figure 2: Reddot 2023 Award-winning ergonomic curved design for natural finger movement.

Figure 3: The keyboard's slim profile and natural curve help suppress wrist extension for comfortable typing.
Karakteristik kle
- Ergonomic Curved Design: Engineered for comfortable typing, following the natural trajectory of finger movement.
- Koneksyon plizyè mòd: Offers three connection modes: Bluetooth 5.2, 2.4GHz wireless, and wired USB-C.
- Aparèy milti-aparèy: Capable of pairing with up to 5 devices, allowing seamless switching between them.
- Silent Pantograph Keys: Utilizes pantograph-type key switches for quiet keystrokes and a light key touch, ensuring stable input even when pressing the edge of the key.
- Batri rechargeable: Built-in 300mAh lithium-ion battery, rechargeable via the included USB Type-C to USB Type-A cable. Provides approximately 90 hours of continuous operation after a 2-hour charge.
- Battery Save Function: Automatically enters power-saving mode after approximately 10 minutes of inactivity.
- Lajè konpatibilite: Compatible with Windows, Mac iOS, and Android operating systems.

Figure 4: Pebble-shaped keycaps inspired by nature for a unique aesthetic.

Figure 5: The pantograph switch mechanism ensures silent, light, accurate, and smooth keystrokes.
Enstalasyon
Mòd Koneksyon
The keyboard supports three connection modes: Bluetooth, 2.4GHz wireless, and USB-C wired connection. You can easily switch between these modes using the hotkeys or the switch on the back of the keyboard.

Figure 6: Bluetooth 5.2 for stable wireless connection.

Figure 7: The 2.4GHz wireless dongle provides a reliable connection and is stored within the keyboard body.

Figure 8: For a direct and stable connection, use the included USB-C cable.
Pairing ak Aparèy
The keyboard can be paired with up to 5 devices (e.g., Windows PC, Mac, iOS tablet, Android phone) and allows for quick switching between them using dedicated hotkeys.

Figure 9: Connect and switch between up to 5 devices seamlessly.

Figure 10: Compatible with Windows, Mac iOS, and Android operating systems.
Opere
Chaje klavye a
The keyboard has a built-in rechargeable lithium-ion battery. To charge, connect the included USB Type-C to USB Type-A cable to the keyboard's USB-C port and a 5V/1A low-power charger. A full charge takes approximately 2 hours and provides about 90 hours of continuous use.
Important: Do not use high-power chargers such as 5V/2A to 9V/2A, as this may damage the keyboard.

Figure 11: Connect the USB-C cable to the keyboard for charging.
Fonksyon sove batri
To conserve battery life, the keyboard automatically enters a battery save mode if it remains inactive for approximately 10 minutes. To reactivate the keyboard from battery save mode, simply press any key. It will return to operating mode in about 0.5 seconds.
Raccourcis
The keyboard includes 10 hotkeys for quick access to various functions, such as media control, volume adjustment, and device switching. Refer to the keycap legends for specific hotkey functions.

Figure 12: Hotkeys provide convenient access to common functions.
Antretyen
To ensure the longevity and optimal performance of your keyboard, follow these simple maintenance guidelines:
- Netwayaj: Sèvi ak yon twal mou epi sèk pou siye sifas klavye a. Pou pousyè tè ki difisil pou retire, siye yon ti kras.ampRense twal la avèk dlo oswa yon solisyon netwayaj dou. Evite itilize pwodui chimik ki agresif oswa materyèl abrazif.
- Retire pousyè: Sèvi ak lè konprese pou retire pousyè ak debri ki ant kle yo.
- Depo: Lè w pa itilize klavye a pou yon bon bout tan, sere l nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Devèsman likid: In case of a liquid spill, immediately disconnect the keyboard from power and wipe it dry. Allow it to air dry completely before reconnecting.
Depanaj
If Keys Do Not Input as Engraved (Layout Mismatch)
If your computer is treating the keyboard as a Japanese layout instead of the US layout, you will need to adjust your computer's settings. Follow the instructions below for your specific operating system:
Pou Windows 10:
- From the bottom left of the screen, click the Start button (Windows mark), then click Settings (gear icon), then click Time & Language.
- On the left side, click Language. On the right side, select English for Windows display language.
- Under Preferred languages, select Japanese, then click Options.
- On the Hardware keyboard layout page, click Change layout.
- A new window will pop up. Select US keyboard (101/102 key) and click Restart now.
Pou Windows 11:
- From the bottom left of the screen, click the Start button (Windows mark), then click Settings (gear icon), then click Time & Language.
- On the left side, click Language & region.
- Under Language, select Japanese, then click the three dots (...) and click Language options.
- Under Keyboards, click Change layout.
- A new window will pop up. Select US keyboard (101/102 key) and click Restart now.
Pou Mac:
- Go to System Settings > Keyboard > Keyboard Type.
- When the keyboard assistant starts, click Continue on the bottom right.
- Follow the instructions on the screen and press the 'Z' key.
- Select ANSI (US keyboard) and click Done.
Pou android:
Settings > System > Languages & input > Physical keyboard > 101/104 English keyboard.
※ Settings may vary depending on your device. Please refer to your device's instruction manual for details. If you are using an Android device with a Japanese layout, you may need to install a third-party keyboard app to use the US layout.
Espesifikasyon

Figure 13: The B603 is the Mini Size model, weighing 480g with dimensions of 297x127x22mm.

Figure 14: Detailed product specifications for the Actto CURVED Keyboard.
| Karakteristik | Detail (Mini Size B603) |
|---|---|
| Non modèl | B603(BLACK) |
| Gwosè Kò | 297 × 127 × 22 mm |
| Pwa | 480 g |
| Kantite kle | 84 kle |
| Raccourcis | 10 kle |
| Layout kle | Layout US |
| Estrikti kle | Pantograph Type |
| Kle konjesyon serebral | 1.5 mm |
| Metòd Koneksyon | Bluetooth / 2.4GHz Wireless / USB-C Wired |
| Bluetooth vèsyon | Bluetooth 5.2 |
| OS konpatib | Windows, Mac iOS, Android |
| Batri | Lithium-ion 300mAh Rechargeable |
| Charger konpatib | 5V/1A Low-power charger |
| Kalite koulè | Black, White, Ivory, Pink |
| Materyèl | ABS résine |
| Konpozan ki enkli | Keyboard body, USB receiver (stored in main unit), USB cable, Instruction manual |
Garanti ak sipò
Peryòd garanti
Pwodwi sa a vini ak yon 6-mwa garanti apati dat acha a. Tanpri konsève prèv acha ou pou reklamasyon garanti.
Sipò pou Kliyan
For any inquiries, technical assistance, or warranty claims, please refer to the contact information provided with your purchase or on the official Actto website. Ensure you have your product model number (B603) and purchase details ready when contacting support.





