Smart Ring with Display, Health Tracker, Bluetooth, Size 12

Smart Ring Health Tracker with LED Display Screen, Activity Tracker/Heart Rate/SpO2/Sleep/Step, Bluetooth Connection, IP68 Waterproof Smart Ring for Iphone & Android (Silver # 12). Weight: 3.4 g. Chip: Dialog Da 14585 BLE Storage Capacity: 128 kb ROM + 96 kb RAM Batery Type: Polymer Charging method: Magnetic charging. Compatibility: Android 5.0 and above, Apple IOS 10.0 or later Compatible Software: JRing I have 2 available. Free delivery within 5 km. I will deliver for $5 within 10 km. Alternatively, I can offer $ 5-10 tracked shipping service available within Ontario once the full payment is received by Interac e-Transfer.