# Mouse DEFENDER DATUM MM-285 Office ambidextrous RF wireless optical 1600 DPI black

**URL:** https://aio.lv/en/product--defender-52285--932923
**Data updated:** 2026-03-07 10:55 (EET)
**Category:** Mouses
**Manufacturer:** DEFENDER
**Manufacturer code:** 52285
**EAN:** 4714033522854
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--defender-52285--932923

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

DEFENDER DATUM MM-285 is an ambidextrous office mouse with optical tracking and RF wireless connection. It features 1600 DPI sensitivity, three pressed buttons and a scroll wheel, powered by batteries. Lightweight and compact, it suits everyday office tasks, web browsing and document editing with ergonomic symmetry for left- and right-handed users.

## Long description

DEFENDER DATUM MM-285 Office ambidextrous RF wireless optical 1600 DPI black is a compact office mouse designed for everyday computer work. The device combines an ambidextrous shape with optical tracking and a 1600 DPI sensitivity level, offering responsive pointer control for browsing, document editing and standard office applications. Connection is provided by an RF wireless interface for cable-free use, and a simple three-button layout with a scroll wheel ensures basic navigation and selection tasks are covered.
Advantages
The ambidextrous form factor supports both left- and right-handed users without favoring one hand, while the 1600 DPI optical sensor provides accurate cursor movement suitable for typical office tasks. RF wireless connectivity removes cable clutter and simplifies setup with a plug-and-play receiver. The mouse is lightweight and compact, making it easy to carry between workstations or store in a bag. The three-button design with a scroll wheel delivers intuitive operation for common commands and navigation.
Suitable for
 Office work and productivity applications
 Web browsing and email
 Document editing and spreadsheets
 General-purpose home computer use
Key specifications
 Form factor: Ambidextrous
 Movement detection: Optical
 Movement resolution: 1600 DPI
 Buttons: 3 (left, right, middle/scroll)
 Scroll: Wheel
 Interface: RF Wireless
 Colour: Black
 Weight: 0.05 kg
 Intended use: Office
How to use
Install the RF receiver into an available USB port on the computer and allow the operating system to recognize the device. Insert the required batteries into the mouse as indicated in the battery compartment. Place the mouse on a flat surface and adjust hand position to the ambidextrous shape for comfort. Use the left and right buttons for selection and context actions and the scroll wheel to navigate long documents and web pages. If pointer speed needs adjustment, change mouse sensitivity settings within the operating system to match personal preference.
Usage recommendations
For reliable wireless performance, keep the RF receiver within a few meters of the mouse and avoid placing large metal objects between the mouse and receiver. Use on a clean, flat surface or mouse pad for best optical tracking. Replace batteries when cursor response becomes inconsistent to maintain stable operation.

## Specifications

### Design

| Feature | Value |
|---|---|
| Form factor | Ambidextrous |
| Product colour | Black |
| Ergonomic design | Yes |
| Surface coloration | Monochromatic |

### Ergonomics

| Feature | Value |
|---|---|
| Wireless range | 10 m |

### Power

| Feature | Value |
|---|---|
| Battery type | AAA |
| Number of batteries supported | 2 |
| Power source | Batteries |
| Service life of battery | 6 month(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.05 kg |
| Height | 37 mm |
| Width | 61 mm |
| Depth | 100 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 80 g |
| Package depth | 115 mm |
| Package height | 70 mm |
| Package width | 180 mm |
| Package type | Blister |
| Quantity per pack | 1 pc(s) |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 235 mm |
| Master (outer) case width | 430 mm |
| Master (outer) case gross weight | 3800 g |
| Master (outer) case length | 360 mm |
| Products per master (outer) case | 40 pc(s) |

### Mouse

| Feature | Value |
|---|---|
| Purpose | Office |
| Buttons quantity | 3 |
| Buttons type | Pressed buttons |
| Scroll type | Wheel |
| Scrolling directions | Vertical |
| Number of scroll wheels | 1 |
| Device interface | RF Wireless |
| Movement detection technology | Optical |
| Movement resolution | 1600 DPI |
| Frequency band | 2.4 |
| Multi-device support | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Wireless receiver interface | USB Type-A |
| Receiver type | Nano receiver |
| Receiver included | Yes |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Compliance certificates | RoHS, CE |

## FAQ

### How much does the DEFENDER DATUM MM-285 ambidextrous RF wireless mouse cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 10.07.2026 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 DEFENDER 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 DEFENDER 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: form factor, weight, purpose, buttons quantity, scroll type, device interface, movement detection technology, movement resolution, 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 DEFENDER DATUM MM-285 ambidextrous RF wireless mouse?

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/932923/62413445_large.webp