---
title: "Sayo Device — £81K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/sayo-device"
last_updated: "2026-07-31T12:34:08.342Z"
locale: en
meta:
description: "Niche score 38/100 · £81K/yr market · 105K searches/yr · £24.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £81K/yr market · 105K searches/yr · £24.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sayo Device — £81K/yr Amazon UK Niche (2026) - Flapen"
---
# **sayo device**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 20Growth 5Conversion 40Competition 2Returns 95Price range 84Avg price 95Brand share 0Review moat 81Quality gap 75
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****£24.03**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£12.30–£32.75**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****389**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£81K**
£81K/yr · 105K searches
**Growth**
**Bad****-39.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, sayo device is a £81K/yr Amazon United Kingdom market (105K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sayo device market data**
- **Units sold / yr**
- **3K–4K**
- avg 500–750/product
- **Revenue / yr**
- **£72K–£96K**
- units × avg price
- **Conversion rate**
- **3.2%**
- **Avg BSR**
- **#84**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **33%**
- **Out of stock**
- **4.6%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **275 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**4**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- SAYODEVICE49% - BTXETUEL41% - SinLoon7% - XMSJSIY3%
## **Demand**
Weekly Amazon search volume, last 12 weeks — -39.8% search growth over the last 90 days.
2K2KMay '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/computers-accessories/sayo-device/trend)
## **Top sayo device search terms**
- **sayo device**70K/yr-41.0%2.6% conv. - **sayo device geometry dash**11K/yr-38.8%2.9% conv. - **sayodevice**8K/yr-43.3%2.6% conv. - **sayo**4K/yr-31.4%1.7% conv. - **osu keypad**4K/yr+9.8%0.7% conv. - **geometry dash keyboard**3K/yr-42.4%1.3% conv. - **sayo device o3c**6K/yr-49.4%4.0% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/sayo-device/search-terms)
## **Top sayo device products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%£12K30%£24K45%£36K60%£49K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BTXETUEL with SayoDevice O3C OSU Keyboard with Quick Trigger Hall Switch Magnetic Linear Switch Button and Screen Copy Paste Shotcut Macro Hotswap Mini**BTXETUEL**£27.61**4.6★1,115 rev](https://www.amazon.co.uk/dp/B0C5JTVQNN) [2**BTXETUEL SayoDevice OSU O3C Quick Release Magnetic Linear Switches with Knob and Display Copy Paste Shotcut Mini Macro Hotswap Keyboard**SAYODEVICE**£28.83**4.7★1,026 rev](https://www.amazon.co.uk/dp/B0C3YYDY8R) [3**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Black Gateron KS-20 White Switch)**SAYODEVICE**£32.75**4.5★44 rev](https://www.amazon.co.uk/dp/B0G25QQ9C9) [4**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Silvery Outemu Pink Switch)**SAYODEVICE**£29.76**4.7★93 rev](https://www.amazon.co.uk/dp/B0G25RXMHP) [5**SinLoon Mini Programmable Mechanical Keyboard 3 Keys & 1 Knob with Macro Shortcuts PC Setup for Multi-Device Use | Portable Hot-Swappable Macro Pad for Gaming Office Editing**SinLoon**£12.96**3.6★53 rev](https://www.amazon.co.uk/dp/B0GC97ZT4M)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**XMSJSIY Mini 3 Key Keypad Mechanical Keyboard One Handed Hot Key with Knob**XMSJSIY**£12.30**3 rev5mo ago](https://www.amazon.co.uk/dp/B0GL7YG52T) [**SinLoon Mini Programmable Mechanical Keyboard 3 Keys & 1 Knob with Macro Shortcuts PC Setup for Multi-Device Use | Portable Hot-Swappable Macro Pad for Gaming Office Editing**SinLoon**£12.96**53 rev6mo ago](https://www.amazon.co.uk/dp/B0GC97ZT4M) [**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Black Gateron KS-20 White Switch)**SAYODEVICE**£32.75**44 rev8mo ago](https://www.amazon.co.uk/dp/B0G25QQ9C9) [**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Silvery Outemu Pink Switch)**SAYODEVICE**£29.76**93 rev8mo ago](https://www.amazon.co.uk/dp/B0G25RXMHP) [**BTXETUEL with SayoDevice O3C OSU Keyboard with Quick Trigger Hall Switch Magnetic Linear Switch Button and Screen Copy Paste Shotcut Macro Hotswap Mini**BTXETUEL**£27.61**1,115 rev2y ago](https://www.amazon.co.uk/dp/B0C5JTVQNN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**XMSJSIY Mini 3 Key Keypad Mechanical Keyboard One Handed Hot Key with Knob**XMSJSIY**£12.30**3.7★**▲ 278%**](https://www.amazon.co.uk/dp/B0GL7YG52T) [**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Silvery Outemu Pink Switch)**SAYODEVICE**£29.76**4.7★**▲ 246%**](https://www.amazon.co.uk/dp/B0G25RXMHP) [**SinLoon Mini Programmable Mechanical Keyboard 3 Keys & 1 Knob with Macro Shortcuts PC Setup for Multi-Device Use | Portable Hot-Swappable Macro Pad for Gaming Office Editing**SinLoon**£12.96**3.6★**▲ 89%**](https://www.amazon.co.uk/dp/B0GC97ZT4M) [**SAYODEVICE O3C Rapid Trigger Hall Effect Keyboard Suitable for OSU and Geometry Dash Rhythm Game Macro Keypad with Magnetic Linear Switches (Black Gateron KS-20 White Switch)**SAYODEVICE**£32.75**4.5★**▲ 83%**](https://www.amazon.co.uk/dp/B0G25QQ9C9) [**BTXETUEL SayoDevice OSU O3C Quick Release Magnetic Linear Switches with Knob and Display Copy Paste Shotcut Mini Macro Hotswap Keyboard**SAYODEVICE**£28.83**4.7★**— 3%**](https://www.amazon.co.uk/dp/B0C3YYDY8R)
**~~View all trending →~~**
## **What buyers say about sayo device**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Programmable mini macro keyboard with good build quality”*
**Value For Money**16%
*“it is definitely worth it”*
**Touch/Button Controls**10%
*“The keys feel satisfying to use”*
**Durability**9%
*“won't break easily”*
**Compatibility-Overall**8%
*“it works really well with no compatibility issues”*
**Ease Of Use**8%
*“It is very easy to use”*
**Design-Overall**7%
*“it looks really good”*
**Functionality-Overall**7%
*“Best purchase I've ever made for geometry dash”*
**Adhesion/Stickiness**4%
*“Well made sticks to most surfaces”*
**Software/Application**4%
*“Excellent product, great software”*
### **What buyers complain about **
**Functionality-Overall**20%
*“Did not work”*
**Value For Money**13%
*“Bit expensive to be honest”*
**Advertised Vs Actual Product**10%
*“doesnt even look like advertised”*
**Size-Overall**10%
*“This small”*
**Noise Level**10%
*“The clicky noise is very annoying for me”*
**Quality-Overall**10%
*“Bad quality,was not working and was returned”*
**Color**5%
*“Your also not able to select a color”*
**Software/Application**5%
*“the let down is the software”*
**Computation Performance**3%
*“the device runs with severe delay”*
### **Top return reasons **
**Compatibility-Overall**25%
**Functionality-Overall**24%
**Connectivity-Overall**11%
**Color**8%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**4%
**Touch/Button Controls**4%
**Assembly/Installation**3%
**Touch Screen**2%
**Software/Application**2%
## **Common questions**
- **Is sayo device profitable to sell on Amazon United Kingdom?**
- The niche generates £81K/yr across 6 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -39.8%. Flapen's verdict: Skip it (38/100).
- **How competitive is the sayo device niche?**
- 4 brands and 4 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in sayo device?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 1.0%.
- **What does it cost to enter the sayo device niche?**
- Listings span £12.30–£32.75; the average listing price is £24.03 (sweet spot $15–$100). The average incumbent carries 389 reviews — the moat a new listing must climb.
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