# Keyboard KeySonic ACK-540U+ Office USB QWERTY US English Black

**URL:** https://aio.lv/en/product--keysonic-ack-540u-us--347890
**Data updated:** 2025-12-28 21:16 (EET)
**Category:** Keyboards
**Manufacturer:** keysonic
**Manufacturer code:** ACK-540U+ (US)
**EAN:** 4250078143130
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 40.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--keysonic-ack-540u-us--347890

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

The KeySonic ACK-540U+ is a compact mini keyboard designed for office use. It features a wired USB connection, a membrane key switch, and a QWERTY layout. With a cable length of 1.9 m, it offers flexibility in positioning. The keyboard comes in a sleek black color and includes a wrist rest for added comfort during long typing sessions.

## Long description

The KeySonic ACK-540U+ is a compact USB mini keyboard with an integrated Smart-Touchpad and a US English QWERTY layout. Designed for constrained workspaces such as POS terminals, reception desks, conference rooms and home digital areas, it combines a short cable and a slim profile with a soft wrist rest for comfortable typing. The keyboard uses a membrane key switch and comes in a matte black SoftSkin finish that resists fingerprints while maintaining a modern appearance.
Advantages
The built-in Smart-Touchpad supports extended multi-finger gestures — two-finger scrolling mimics a mouse wheel and three-finger gestures can open context menus like right-clicks. Membrane keys provide silent stroke and tactile feedback for a quiet, responsive typing experience. The compact mini form factor and 1.9 m USB cable allow flexible placement in limited spaces while the wrist rest improves comfort during prolonged use.
Suitable for
Point-of-sale systems and kiosks
Reception desks and front-office workstations
Conference and meeting room setups
Home office and compact desktop environments
Key specifications
Interface: USB
Form factor: Mini keyboard
Layout: QWERTY, US English
Switch type: Membrane
Product colour: Black with SoftSkin coating
Cable length: 1.9 m
Integrated Smart-Touchpad; mouse not included
How to use
Connect the keyboard to a computer or compatible device via the USB cable. Place the keyboard in the desired position and rest your wrists on the integrated wrist support. Use the Smart-Touchpad for cursor control: scroll with two fingers and access context menus with three-finger gestures. Type normally using the QWERTY layout; the membrane keys provide quiet tactile feedback suitable for noise-sensitive environments.
Usage recommendations
For optimal performance, connect directly to a USB port on the host device rather than through an unpowered hub. Keep the SoftSkin surface clean by wiping gently with a damp, lint-free cloth; avoid aggressive cleaners. If you require frequent pointing precision, consider using an external mouse in addition to the Smart-Touchpad.

## Specifications

### Keyboard

| Feature | Value |
|---|---|
| Device interface | USB |
| Keyboard form factor | Mini |
| Keyboard layout | QWERTY |
| Keyboard language | US English |
| Pointing device | Touchpad |
| Numeric keypad | No |
| Connectivity technology | Wired |
| Purpose | Universal |
| Recommended usage | Office |
| Keyboard keys operating life | 5 million characters |

### Mouse

| Feature | Value |
|---|---|
| Mouse included | No |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Material | Plastic |
| Backlight | No |
| Surface coloration | Monochromatic |
| Wrist rest | Yes |
| Keyboard style | Straight |

### Weight & dimensions

| Feature | Value |
|---|---|
| Keyboard dimensions (WxDxH) | 291 x 197 x 29 |
| Keyboard weight | 665 g |

### Power

| Feature | Value |
|---|---|
| Power consumption | 100 mA |
| Power source type | USB |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 2000, Windows XP Professional x64, Windows XP Professional, Windows XP Home x64, Windows XP Home, Windows Vista Ultimate x64, Windows Vista Ultimate, Windows Vista Home Premium x64, Windows Vista Home Premium, Windows Vista Home Basic x64, Windows Vista Home Basic, Windows Vista Enterprise, Windows Vista Business x64, Windows Vista Business, Windows ME, Windows 98SE, Windows 2000 Professional, Windows Vista Enterprise x64 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 85 |
| Storage temperature (T-T) | -20 - 65 |
| Operating temperature (T-T) | 0 - 50 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 860 g |
| Package depth | 245 mm |
| Package height | 31 mm |
| Package width | 312 mm |

### Packaging content

| Feature | Value |
|---|---|
| Number of products included | 1 pc(s) |
| User guide | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84716060 |

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Cable length | 1.9 m |

## FAQ

### How much does the Keyboard KeySonic ACK-540U+ cost, and is it available for purchase?

The price is 48.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 68 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 26.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All keysonic products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized keysonic service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: device interface, keyboard form factor, keyboard layout, mouse included, keyboard language, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Keyboard KeySonic ACK-540U+?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/347890/62451628_large.webp