H3 Button, an SOS button enlarged Bluetooth smart wearable badge, is mainly applicable for instant SOS alerts, restriction access, and location awareness, aiming at improving workplace & staff safety in healthcare and construction. By using the H3 Button, Geo-fence and restriction entrance alerts can also be achieved to interact with the varied LED notification mechanism, making it an all-in-one tool for workplace safety. Overall, the H3 Button is designed to provide instant SOS alerts and promote workplace safety in various industries.