Cymwer R09 Smart Ring Men Women with Charging Case, Fitness Ring Heart Rate Blood Oxygen Sleep Monitoring Sport Health Ring for Xiaomi for Samsung Phone

Specification: Origin: Mainland China Product name: Smart Ring Size:18.3mm for No.8, 19.1 for No.9, 20mm for No.10, 20.8mm for No.11, 21.6mm for No.12 Chipset Supplier: Realtek Chipset: RTL8762 ESF APP: QRing Compatible System: Compatible with Android 5.1 (inclusive) and above, Compatible with IOS 8.0 (inclusive) and above FLASH memory: RAM 104KB FLASH 512KB BT: 5.2 low-power Bluetooth-Compatible chip Accelerometer: ST LIS2DOCTR Heart Rate: Vcare VC30F-S Battery Type: Polymer Li-ion Capacity: 14mAh (18mAh for No.11 and above) Charging Method: Magnetic Charging Case Waterproof Level): 5ATM Ring charging time: about 1.5 hours Life time: 5-7 days in use, 15 days in standby Appearance material: stainless steel Weight: 3.5g Packaging size: 103*80*32mm Gross weight: 92g Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. Package includes: 1 X Smart Ring 1 X Charging Cable 1 X Charging Case 1 X Instruction Manual