POWHA Fitness Activity Tracker Ring

Function: Sleep monitoring, Heart rate monitoring, Blood oxygen monitoring，blood pressure monitoring，Self inspection function，Automatic health monitoring, Multi-sports mode Battery Type:Battery Size:Inside diameter 15-22mm Battery capacity:18mAh Product Specification:BLE5.0 Effective distance:15m Material:Stainless steel + ceramic Charging time:45 minutes Standby time:7 days Protection Grade:IPX8 Product weight:5.5g Packing Detail： 1*Smart Health Ring 1*Wireless charging case 1*Type-c charging cable 1*User manual Notes: Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual measurement.