The new Keychron J3 SE mechanical keyboard features a 96% layout with 99 keys. It is part of the brand's J-series, which focuses on macOS compatibility, and includes keycaps with dual Windows and macOS markings.

The device is built with an FR4 positioning plate and multi-layer dampening foam. It supports hot-swappable switches and comes equipped with Cherry Milk linear switches featuring POM housings and stems, paired with MDA profile PBT double-shot keycaps.

The keyboard includes a 4000mAh battery and offers a 1kHz polling rate via USB-C and 2.4GHz wireless connections. With the backlight turned off, the wireless battery life reaches approximately 200 hours.

Keychron has set the retail price for the J3 SE at $129.99. The keyboard also features a two-stage adjustable stand on the bottom for ergonomic positioning.