[Two types belt] This black steel bracelet comes with another silicone belt, so you can choose different belt as you like on some occasion.
[IP 67 waterproof & long standby watch] You can wear it when wash face or take a shower. Watch with lower power consumption,no worry about power off when you away home go hiking, mountaineering or travel.
[Master your sleep quality] Wear the bracelet when sleeping, you can analyze your sleep quality according to the reports which automatically recognized by the bracelet.
[Multi-function] Heart rate detection, triaxial acceleration motion sensor, accurate reading heart rate changes,understanding of their own energy consumption, assessment of health levels, scientific promotion of physical fitness
[After-sales] Please carefully compare the purchase before the authentic authorization, whether the goods you want, OUR commitment to provide perfect after-sales service