Keychron J9 QMK Wireless Mechanical Keyboard - Grey (KBKCJ9MH4)
Price$109
Out of stock at Umart
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About this product
- Brand
- Keychron
- Store
- Umart
- Category
- Electronics > Electronics Accessories > Computer Components > Input Devices > Keyboards
- SKU
- 94623
Specifications
- Colour
- Grey
SPECIFICATIONS:
| Number of Keys | 84 (75%) |
| Switches | Keychron Milk POM Switch - Banana |
| Backlight | South-facing RGB LED |
| Number of Multimedia Keys | 12 |
| Frame Material | ABS+PC frame |
| Keycap Material | Low-profile double-shot PBT keycaps, not shine-through |
| Back Plate Material | Aluminum Alloy |
| Layout | ANSI |
| Polling Rate (2.4 GHz and Wired Mode) | 1000Hz |
| Polling Rate (BT Mode) | 90Hz |
| N-Key Rollover (NKRO) | Yes for both wireless and wired modes |
| Backlit | 22 types of RGB backlight options plus endless possibilities |
| Battery | 2000 mAh rechargeable li-polymer battery |
| Wireless Working Time (Backlit off) | Up to 160 hours (Lab test result may vary by actual use) |
| Wireless Working Time (RGB) | Up to 83 hours (Lowest brightness) |
| Connection | 2.4 GHz / Bluetooth / Type-C wired |
| Bluetooth version | 5.2 |
| Bluetooth Device Name | Keychron J9 |
| Compatible System | macOS/Windows/Linux |
| Dimension | 315.2 x 132.7 mm (12.41 x 5.23") |
| Weight | 606 g / 1.34 lbs |
| Height without keycap (front) | 14.5 mm (0.57") |
| Height without keycap (rear) | 21.44 mm (0.84") |
| Height incl. keycap (front) | 20.3 mm (0.80") |
| Height incl. keycap (rear) | 25.65 mm (1.01") |
| Typing Angle | 3º, 4.º and 7º |
| MCU | Low-power ARM Cortex-M3 32-bit WB32F3G71 (256KB Flash) |
| Operating Environment | -10 to 50℃ |
| Note | *The J9 is currently compatible with Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches. |