This bestseller among office mice has never been cheaper. For 349 CZK, it offers an ergonomic body with an aluminum scroll wheel

A silent ergonomic mouse with dual connectivity usually costs over five hundred crowns. The Eternico MSB550B Silent has now dropped from 499 CZK to 349 CZK with code 30ETERNICO2026 – making it one of the lowest prices you can get this mouse for. You can check the current price and availability directly in the product details.

Quick summary:
✅ Makes sense if you want a silent ergonomic mouse for office work and have a rather large hand.
⚠️ Consider that the sensor is weaker (not suitable for gaming or graphics) and that for some users, the scroll wheel may start to creak over time.
💡 For 349 CZK, this is one of the best-rated silent office mice in this price category.

Why this mouse is interesting

Tahle myš Eternico MSB550B míří na lidi, kteří tráví den u počítače a chtějí klid na práci bez klapání tlačítek. Hlavní devízou jsou tichá tlačítka Silent Click, která ocení v open space i doma večer. K tomu ergonomický tvar zjevně inspirovaný Logitech MX Masterem a duální připojení. Není náhoda, že jde o jednu z nejprodávanějších kancelářských myší na Alze s přes 10 000 prodanými kusy a hodnocením 4,6 z 5. Za 349 Kč s kódem 30ETERNICO2026 je to hodně muziky za málo peněz.

Key parameters in plain language

The mouse can handle connection to up to three devices simultaneously – one via a 2.4GHz USB receiver and two others via Bluetooth – and you switch between them with a button. The range is up to 8 meters. It offers 6 buttons including a metal scroll wheel and forward/back buttons, and adjustable DPI (800 / 1200 / 1600). However, a fair note is necessary here: the optical sensor is weaker, and many users describe it as inaccurate. It’s sufficient for regular office work, but the mouse is not suitable for gaming or graphics – the manufacturer, after all, labels it as an office mouse.

Practical aspects: ergonomics, power, connectivity

Myš má pogumovaný Soft Touch povrch a ergonomický tvar pro praváky, který podle recenzí skvěle padne do větší ruky – menší ruce ale mohou mít problém pohodlně dosáhnout na kolečko a horní tlačítka, s tím počítejte. Napájení řeší jedna AA baterie, kterou najdete v balení, takže myš funguje hned po vybalení a po 8 minutách nečinnosti se sama uspí. Miniaturní USB přijímač schováte přímo do těla myši, což oceníte při přenášení k notebooku.

Two practical tips from reviews. Firstly, after unboxing, remove the protective films from the glide pads – without them, the mouse glides poorly, and many people unnecessarily complained about this. Secondly, the mouse wakes up with a click, not just by movement, and when lifted from the desk, the sensor has a short delay before reactivating. This doesn’t matter for office work, but anyone who frequently lifts the mouse should know this beforehand.

What users say

The rating is excellent: 4.6 out of 5 from 240 customers, 90% of buyers recommend the mouse, and the return rate is low at 1.58%. Most often, people praise the absolutely silent buttons, comfortable ergonomics for larger hands, and the price/performance ratio – comparisons with significantly more expensive Logitech models, which the mouse resembles in shape, are repeatedly made. Several users bought it a second time or for both work and home.

However, repeated criticisms also appear. The most common is scroll wheel creaking, which occurs in some mice after weeks or months of use. Many people also mention a weaker, less precise sensor, and for some, the rubberized surface wears off or dulls over time. A minority encounters jerky movement on some surfaces – here, a quality mouse pad and removal of the aforementioned films usually help. These are precisely the compromises one can expect from a mouse costing a few hundred crowns.

When it doesn’t make sense

If you play games or do graphics work, this mouse is not for you – the weaker sensor and lower precision will limit you; opt for a more powerful model. Those with smaller hands might find the mouse too large, making it harder to reach the scroll wheel. And if you want recharging via cable instead of battery replacement, this model runs on an AA battery. Under these conditions, it makes sense to choose a different mouse.

Verdict: who it’s worth it for

If you want a silent and comfortable mouse for office work and have a rather large hand, the Eternico MSB550B Silent for 349 CZK is a hard-to-beat choice – especially considering its rating of 4.6 out of 5, over 10,000 units sold, and a three-year warranty. For a saving of 150 CZK compared to 499 CZK, you get silent buttons, excellent ergonomics, and dual connectivity for up to three devices. Just keep in mind that the sensor is weaker and the scroll wheel might creak over time. However, for home office and regular work at a few hundred crowns, it’s one of the most sensible choices on the market.

Is silent operation or sensor precision more important to you in a mouse?