# Cover STM Dux Shell 33 cm (13") Microsoft Surface Pro 9

**URL:** https://aio.lv/en/product--stm-goods-stm-222-338mz-01--10680788
**Data updated:** 2025-12-30 09:52 (EET)
**Category:** Tablet Cases & Bags
**Manufacturer:** stm goods
**Manufacturer code:** STM-222-338MZ-01
**EAN:** 0810046113011
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--stm-goods-stm-222-338mz-01--10680788

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.89 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

The STM Dux Shell is a protective cover designed for Microsoft Surface Pro 9. It features a lightweight design at 380 g and compatibility with Type Cover and Surface Pen. Ideal for classroom use, it ensures durability and ease of use.

## Long description

The Dux Shell is a slim, rugged cover for the Microsoft Surface Pro 9 that protects the device while remaining lightweight. It is compatible with the Type Cover and Surface Pen or Classroom Pen 2 and features a transparent back panel that lets the device’s design show through. The cover uses polycarbonate and thermoplastic polyurethane (TPU) materials and has been tested to meet or exceed U.S. Department of Defense 810H drop standards when used with the Type Cover installed.
Advantages
The case combines a slim profile with robust protection and weighs approximately 0.38 kg. Its transparent back panel allows personalization or easy scanning of barcodes without removing the cover. The integrated Infinity Stand provides a wide range of viewing angles across laptop, studio and tablet modes, and the product is developed by STM Goods as an official Microsoft partner to meet precise Surface device requirements.
Suitable for
Surface Pro 9 owners seeking a protective, lightweight cover
Users who use a Type Cover and Surface Pen or Classroom Pen 2
Students and classroom environments requiring durable protection
Users who want adjustable viewing angles in multiple modes
Key specifications
Model compatibility: Surface Pro 9
Compatibility with: Type Cover, Surface Pen, Classroom Pen 2
Maximum screen size: 13"
Weight: 0.38 kg
Materials: Polycarbonate, Thermoplastic polyurethane (TPU)
Stand mode: Yes (Infinity Stand)
Manufacturer part number (MPN): STM-222-338MZ-01
EAN: 0810046113011
How to use
Align the Dux Shell with the Surface Pro 9 and snap the cover onto the device, ensuring the Type Cover and pen access points are unobstructed. Use the Infinity Stand to set the device to the preferred viewing angle in laptop, studio or tablet mode. The transparent back allows you to place a personal image behind the panel or scan a barcode without removing the case.
Usage recommendations
For best protection, install the Type Cover when carrying the device in potentially impact-prone environments and periodically check that the case remains properly seated. Clean the transparent back panel with a soft, lint-free cloth and mild detergent if needed.

## Specifications

### Features

| Feature | Value |
|---|---|
| Compatibility | Surface Pro 9, Type Cover, Surface Pen, Classroom Pen 2 |
| Material | Polycarbonate, Thermoplastic polyurethane (TPU) |
| Built-in speaker(s) | No |
| Maximum screen size | 13 " |
| Brand compatibility | Microsoft |
| Stand mode | Yes |
| Product main colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.38 kg |
| Height | 300 mm |
| Width | 216 mm |
| Depth | 21 mm |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Built-in battery | No |

## FAQ

### How much does the Cover STM Dux Shell 33 cm (13") cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 44 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 10.08.2026 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. 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 stm goods 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 stm goods 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: maximum screen size, weight, stand mode, compatibility, material, 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.

## Image

https://aio.lv/img/cache/product/10680788/59738048_large.webp