First release. - Sweeping ECG-style trace, one P-QRS-T complex per beat - Beat timing taken from the watch's measured intervals where it reports them, with the averaged rate as a fallback - Monitor beep at 880 Hz over a held-open stream, so the amplifier does not click between beats - Backlight pulsing with the beat, colour and resting brightness adjustable - Vibration click per beat - Settings on the phone: sound, pitch, volume, vibration, backlight, trace speed and colour, language, demo pulse - Nine languages on the watch: English, German, French, Spanish, Italian, Dutch, Portuguese, Polish and Swedish