A4Tech Bloody J90s
 | Outdated Product Ergonomic wired gaming mouse with a high-quality optical sensor, a fully symmetrical exterior design, RGB LED backlighting and a branded triple-shot button. It is one of the pre-top models in the line of Bloody J-series game controllers of the 2021 model, which are distinguished by a good balance of affordable prices and excellent functionality. Suitable for beginners / experienced gamers, it can be useful for professional e-sportsmen. The A4 Tech Bloody J90s mouse has a typical aggressive gaming design and 15-zone fully controllable backlight with the ability to customize 5 effect profiles. The design of a durable plastic case is absolutely symmetrical (the side buttons are duplicated on the right side) and is suitable for both right-handers and left-handers. The case has a...slightly elongated shape and is suitable for palm or finger grip. The main microswitches (LMB and RMB) are hardy and have a resource of 20 million clicks. The mouse uses an optical sensor BC3332-S, which can work with a resolution of 100 to 8000 dpi. The USB port's polling rate is adjustable from 125 to 1000 Hz for ultra-fast 1ms response time. The X'Glide metal feet guarantee fast gliding on fabric and plastic playing surfaces. Proprietary software allows you to visually manage numerous settings, including key remapping and the use of macros. E-Catalog uses affiliate links compensated by our partners. |
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Ergonomic wired gaming mouse with a high-quality optical sensor, a fully symmetrical exterior design, RGB LED backlighting and a branded triple-shot button. It is one of the pre-top models in the line of Bloody J-series game controllers of the 2021 model, which are distinguished by a good balance of affordable prices and excellent functionality. Suitable for beginners / experienced gamers, it can be useful for professional e-sportsmen.
The A4 Tech Bloody J90s mouse has a typical aggressive gaming design and 15-zone fully controllable backlight with the ability to customize 5 effect profiles. The design of a durable plastic case is absolutely symmetrical (the side buttons are duplicated on the right side) and is suitable for both right-handers and left-handers. The case has a slightly elongated shape and is suitable for palm or finger grip.
The main microswitches (LMB and RMB) are hardy and have a resource of 20 million clicks. The mouse uses an optical sensor BC3332-S, which can work with a resolution of 100 to 8000 dpi. The USB port's polling rate is adjustable from 125 to 1000 Hz for ultra-fast 1ms response time. The X'Glide metal feet guarantee fast gliding on fabric and plastic playing surfaces. Proprietary software allows you to visually manage numerous settings, including key remapping and the use of macros.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog A4Tech 2026 - new arrivals, bestsellers, and the most relevant models A4Tech.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog A4Tech 2026 - new arrivals, bestsellers, and the most relevant models A4Tech.
How to choose a gaming mouseWe'll look at grip types, sensor sensitivity, pushbutton switches, and other important nuances
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Series A4Tech Bloody
play (for kids), membrane + optical, 100% (full size), wired, additional keys: 9, with macros, backlight, water resistance
play (for kids), optical, 100% (full size), wired, backlight, water resistance, RGB backlight
gaming mouse, wired, USB-A, with memory, buttons: 8, programmable, + wheel, sensor 4000 DPI
play (for kids), membrane + optical, 100% (full size), wired, additional keys: 2, backlight, water resistance
gaming mouse, wired, USB-A, with memory, buttons: 7, programmable, + wheel, sensor 3200 DPI
gaming mouse, wired, USB-A, with memory, buttons: 7, programmable, + wheel, sensor 4000 DPI
play (for kids), optical, 100% (full size), wired, backlight, water resistance, RGB backlight
gaming mouse, wired, USB-A, with memory, buttons: 6, programmable, + wheel, RGB backlight, sensor 12000 DPI
play (for kids), optical, 80% (TKL, without Numpad), wired, backlight, water resistance, RGB backlight
AccessoriesAll accessories for A4Tech Bloody J90s →
Model overview based on user reviews
The A4Tech Bloody J90s is a gaming mouse that offers a range of features appealing to gamers, including customizable buttons, RGB lighting, and a high-quality sensor with a resolution of up to 8000 DPI. Users appreciate its comfortable design, which fits well in the hand, and its reliable performance in gaming scenarios. However, the software has been criticized for being unreliable and difficult to use, with issues such as lighting settings resetting unexpectedly. While some find the mouse's weight to be a downside, others appreciate its solid build and ergonomic design. The mouse is noted for its affordable price, making it a popular choice among budget-conscious gamers, despite some concerns about the durability of certain components like the scroll wheel and buttons. Overall, the A4Tech Bloody J90s is considered a good value for its price, offering advanced settings and a pleasant gaming experience.
Pros
Cons
1 2 5 6 |
A neat and stylish mouse, with beautiful lighting. There are many different settings, you can have fun with the backlight, you can set the necessary parameters for its performance. the sensor is of high quality, so it's great for gaming, the cable is long and unobtrusive, it glides perfectly on a gaming mat. I usually set it to 8000 in games, and I have a positive impression; only time will tell how it performs in the future. no |
It truly is a gaming device; in shooters and any genre, no matter how fast I move the device, the movements are transmitted smoothly, without stuttering or anything of the sort. You don't need to jump through hoops to connect to a PC; just plug the cable into the system unit, and everything works. The casing finish is excellently done, it's durable, and pleasant to the touch. Appearance without frills. The sensor works excellently, movements are accurate. Quiet, with a pleasant finish and a good body shape. Not enough backlight  Viktor: use A4Tech Bloody J90s few months |
The mouse fits perfectly in the hand. The software interface is clear. I liked the opportunity to customize the backlight and additional keys, frequencies, in general, the settings here are advanced. Glides on surfaces like glass. The response is fast. The case material is nice. Nice material, advanced settings, quality. wired Dobrynya: use A4Tech Bloody J90s less than month |
3 out of 14 user review(s) shown
10 more user review(s)
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