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BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…
Brand: BTXETUEL
Condition: Used
$3514
$3699
-5% Save $185
Updated: 4 days ago
Description
【O3C OSU SayoDevice Keyboard】This keyboard with 3 Hall magnetic linear switches, 1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ.
【Replaceable Switches】Supports any Hall magnetic Switches, with a simple click for calibration.
【IPS color Screen】With 0.96 inch IPS color screen,160*80 Resolution, visible key range and button counting.
【Custom Screen】The first line of text on the screen can be customized, such as writing your own ID.
【Custom Knob】The knob can also be set with any key, such as to scroll through the song list.
【NOTICE】Sometimes, the keyboard needs to do "CALIBRATION" ( The steps are shown in the figure ) before use for the first time or after firmware upgrade.
1.【Replaceable Switches】Supports any Hall magnetic Switches, with a simple click for calibration. < br > 2.【IPS color Screen】With 0.96 inch IPS color screen,visible key range and button counting. < br >3.【Custom Screen】The first line of text on the screen can be customized, such as writing your own ID. < br >4.【Custom Knob】The knob can also be set with any key, such as to scroll through the song list.< br > 5.【O3C OSU SayoDevice Keyboard】This keyboard with 3 magnetic linear switches, 1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ.
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Product Details
- SKU:
- awhd-us-b0c5jtvqnn
- Model:
- Sayodevice-O3C
- Country:
- US
- ASIN:
- B0C5JTVQNN
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

