Timebirds™ OS-4.12 (July 2023)

• Added 3-second beep countdown before a rest period and before the end of a workout.
• Menu featuring "Chrono" and "Inter" for stopwatch and interval training modes.
• New "rEAdy" and "End" screen to mark the start and the end of a workout.
• Added (-) to rEP ct to decrease count if needed.

Timebirds™ OS-4.11 (Dec 2022)

• OS Updater now available on macOS. Seach Timebirds Sonic OS updater on the Mac App Store.

Timebirds™ OS-4.11 (May 2022)

• Added 5 minute timeout for all screens except timers, clock and rep count.
• Fixed “OS” flashing when viewing OS version.
• Improved battery power management
• More accurate battery level feedback.

Timebirds™ OS-4.1 (March 2022)

• New mode rEP ct to keep track of rounds or reps during AMRAPs.
• New audio indicators at 3s before a round change.
• Disabled Alarm Clock mode
• Improved battery power management.
• Fixed intermittent slight screen flicker when resetting and restarting stopwatch.
• Fixed buzzer triggering in stopwatch mode after resetting stopwatch and then continuing to hold the reset stopwatch button.
• Fixed battery % from sometimes triggering when first turning the device on after a factory reset.

Timebirds™ OS-4.0 (Sept 2021)

• New intro animation
• New Intro sound
• Possibility to enable/disable intro sound
• Possibility to enable/disable 10s count
• down to start on every mode
• New and more intuitive Main Menu and
• Setting Menu layouts.
• New Fight Gone Bad direct access mode
• New Tabata direct access mode
• New 3s count down beeps before the start of a new round (FGB & Tabata)
• 4 screen Dimming levels
• Dual Sonic Sound Management (3 Levels)
• New Clock calibration at 0.002% accuracy
• New Battery power level feedback
• New Charging animation
• 50% increase screen refresh rate.