Smart Ring R08 Womens Men Electronic Smartring 5ATM Waterproof Blood Oxygen Pressure Health Monitor Sleep Tracker for Phone

Good luck with your favorite purchasesElectric : N High-concerned chemical : None Function : Passometer,fitness tracker,sleep tracker,Mood Tracker,Message Reminder,REMOTE CONTROL Type : Wrist Strap Origin : Mainland China Origin : Mainland China Model : R08 Chipset Supplier : Realtek Chipset : RTL8762 ESF APP : QRing FLASH memory : RAM 104KB FLASH 512KB Touch : Supported Battery type : polymer lithium ion Capacity : 15mAh (18mAh for No. 10 and above)