M3 smart bracelet
Cheapest smart bracelets
◆Activity tracker: step count, calories, distance display.
◆ Health: Heart rate, sleep monitor, sedentary reminder, blood pressure/oxygen monitoring
◆ Bluetooth 4.0: call alert, message, facebook, twitter, whatsapp reminder, remote camera control, anti-lost mutual find
◆ More features: clock date display, palming light screen, sports mode, waterproof IP65, USB charger