Bracelet de sport intelligent rond D18S avec écran couleur, suivi du sommeil et de la fréquence cardiaque (fabrication)

2019 New Round Bracelet One set weighs 55g, 727243mm One box contains 100 pieces, weighs 5.8kg, dimensions 390X310X240mm Friendly reminder: If you store this electronic product in a low-battery state for a long time, it will inevitably lead to a significant decrease in performance or even damage.For long-term storage, it is recommended to recharge the battery once every 20 days to about 80% capacity. If the product is stored for more than 30 days without charging, resulting in a loss of power, it will need to be returned to the manufacturer for a warranty assessment.