News

2026-05-04

The networked intelligent timed voice reminder solution is now fully available, covering network time sync, audio playback, smart alarm scheduling, secondary development APIs, hardware reference design, and production testing workflows. It also provides the Music Alarm Core Board, an integrated product board to help developers quickly achieve productization.

2026-03-27

WHEN series clocks now fully open their WEB API, enabling deep secondary development via HTTP requests and returning full device control to users. We also published the open-source when-clock-skill (based on OpenClaw) to let AI agents control clocks for voice announcements, alarm queries/setting, quick timers, and more.

2025-09-06

The WHEN Series WiFi Clock releases a brand new professional-level NTP synchronization software, greatly improving timekeeping accuracy—reducing jitter from over 40ms to within 2ms. The new NTP client has been redesigned and offers advanced features such as primary/backup server switching, delay filtering, time compensation, and Burst mode, meeting high-precision requirements. Comprehensive network testing demonstrates excellent performance. Beta testing is open for users with high-precision needs.

2025-05-15

The official release of WHEN 2.0 software brings UI upgrade, secure access, enhanced hourly chime, improved WiFi setup, sensor calibration, and various bug fixes. We welcome all users to upgrade and experience the new features.

2025-05-01

Recently, some users reported that certain clocks with lunar calendar features displayed the lunar date one day ahead. Investigation revealed this was caused by an industry-wide '3-byte year code' algorithm bug, affecting almost all similar devices. The problem has been promptly fixed and an OTA upgrade plan is provided. This article explains the technical background, affected period, scope, and upgrade instructions. Users are advised to upgrade. If you do not upgrade, the display will return to normal after May 27.