Domhong Smart Ring - IP68 LED-Silver

Slip on the future. Our smart ring, your ultimate portable tech sleep ring / health ring / fitness ring / exercise ring / bluetooth ring / workout ring / best smart ring / fitness tracker ring / health tracker ring / sleep tracker ring / step tracker ring / smart health ring / heart rate ring / heart monitor ring / vital health ring / fitness tracker / health tracker / step tracker / sleep tracker / smart ring health tracker / smart ring for women / smart rings for men / health rings for women / health rings for men Package contains: 1 smart ring, 1 charging case, 1 charging cable, 1 instruction manual Product Parameters: Product Size: #8(18.2 mm) # 9(19.0 mm) # 10(19.9 mm) # 11(20.7 mm) # 12(21.5 mm) thickness 2.5mm Product Weight: 3.4g Battery Capacity: 16mah Charging time: 2 hours Normal using time: 3-5 days Compability: Android 5.0 and above; IOS 10.0 and above Chipset (main chip model): German Dialog DA14585)-ultra-low power, more durable Memory (ROM+RAM): 128kb ROM + 96 Kb RAM G-Sensor: SC7A20 Bluetooth Version: 5.1 MobileAPP-GPS: Yes Heart rate sensor: Tianyi 3918 Product Functions: Health Tracker, Fitness Tracker, Sleep monitor, Multisport Tracker,etc. Special Feature: Time Display, Touchscreen, Gesture Control, Lightweight, Activity Tracker Package Size: 3.26 inchs * 3.22inchs * 1.12inchs Package Weight: 105g If you have any questions, please contact us immediately, we will answer all your questions within 24 hours!