







🎯 Elevate your game with precision, power, and personalization!
The BTXETUEL SayoDevice O3C OSU Keyboard is a compact, high-performance input device featuring 3 magnetic linear Hall switches, a customizable 0.96-inch IPS color screen, and a versatile rotary knob. With hot-swappable switches and a rapid 8000Hz USB-C connection, it’s engineered for gamers and professionals seeking ultra-responsive control and personalized functionality in a sleek, portable design.








| ASIN | B0C5JTVQNN |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 787 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 8 in Keyboards (Computers & Accessories) |
| Colour | black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,246) |
| Date First Available | 11 Aug. 2023 |
| Included components | 3 Hall magnetic switches, knob, screen |
| Item Package Quantity | 1 |
| Item Weight | 160 g |
| Item model number | Sayodevice-O3C |
| Manufacturer | BTXETUEL |
| Material | Plastic |
| Part number | Sayodevice-O3C |
| Power source type | Corded Electric |
| Product Dimensions | 6.4 x 5.11 x 3.81 cm; 160 g |
| Special Features | Magnetic |
| Specific uses | Gaming, Multimedia, Personal |
| Style | Game |
| Switch style | Linear |
S**N
Perfect
Perfect, brought for my son who is addicted to geomatry dash and is on the extreme demon levels. He cannot believe what a difference this makes.. he struggled with the mouse but has got much further using this. Love the light up colour aswell.
J**H
BEST POSSIBLE GEOMETRY DASH TOOL
it cannot be understated how good this little device is for geometry dash.I’ve used the Apex pro, the huntsman v3 black analog, the g502 and this thing performs massively better with significantly less input delay. If you want to perform at your best possible level, don’t spring for a £200 keyboard because this thing does just as much good for a fraction of the cost.
R**R
Good for GD and Osu!
For such a small device it has a lot of functionality in terms of the rapid-trigger function. It's easy to setup and can be done right on the device but the Web application will provide more adjustments For such a small device that provides rapid-trigger function it's a better value for money than the Wooting Uwu. It won't make you better at games though. Great device
T**S
Small, light, and fun to use
I enjoy this device and use it for GD with no issues. One switch on mine has a light that does not work but the rest function well. Customisation is strong and the screen lets you add your own gifs and pictures. The memory is small so you need to limit how much you store. The switches feel good and respond fast. The size is light and compact which makes it easy to place on the desk. Good overall experience.
C**E
100% should buy
exactly as you expect, basically no delay, 100% sensitive keys, perfect for osu or GD (beat cataclysm in 2 days with it), only issue is the usb-c cable it comes with sucks so just use your own but product 100/10 coulnt live without
D**Y
Gaming tool
Delivered on time. Great product
C**Y
I love this so much!
I bought this for geometry dash as one of my friends told me it was way better than using mouse. After using it for a few days to a week, I’ve improved so much. If you’re thinking about buying it for a similar reason, do it. It’s the best thing you could buy for this price.
M**U
🥳🥳🥳
It was a gift for my sons. He’s very pleased with it 🥳🥳🥳
�**�
osu!プレイヤーであれば絶対買うべきです。 通常のキーボードでも良いですが、手元配信する際にばえる為使用しています。 キャリブレーションも簡単で、更新自体もすぐに出来ますしマッピングも楽でした。
R**H
Excellent 👌
U**N
Me encanta, es tal cuál se ve en las fotos y como se explica en la descripción. El tacto de las teclas es super suave.
O**I
جودة مميزة
L**A
Amazing 8000 hz polling rate the reactivity is amazing especially for games like geometry dash/Osu it functions very well and has a volume knob very useful if you have a smaller keyboard without normal sound function keys, its easy to connect and was pretty comparable off the start.
Trustpilot
1 month ago
3 weeks ago