R11M для фитнеса, отслеживание сердцего и кислорода, черное

Compatible System: Android 5.1+ and iOS 8.0+ RAM: 4MB BT: 5.0 Sensor: SC7A20H Heart Rate: Goodix GH3018 Battery: polymer lithium ion, 20mAh Charging: magnetic Waterproof: IP68 Charging Time: 1-2 hours Life: 3-5 days use, 7-10 days standby Material: epoxy resin + stainless steel Ring size inner diameter: 7#17.3mm, 8#18.1mm, 9#18.9mm, 10#19.8mm, 11#20.6mm, 12#21.4mm, 13#22.2mm Net weight: 3.5-4.4g Gross weight: 74g Packaging: 76*75*44mm Note: Actual color may vary slightly due to monitor differences. Allow 1-2cm measurement deviation. Feature: App tracks steps, distance, calories, exercise data, heart rate, blood oxygen, sleep, supports photo taking, add friends, and multiple sports modes (running, cycling, skipping, walking, climbing, yoga, golf, dance). Multiple languages. Lightweight, durable, comfortable. IP68 waterproof, suitable for swimming, washing, rain. Remove ring after bathing. Magnetic fast charging, 20mAh, long battery life. Real-time battery check. Monitors health: heart rate, blood oxygen, sleep. Includes: 1 Smart Ring, 1 Charging Cable, 1 Manual.