Wrist oximeter with respiratory monitoring Features: 1. Design for sleep monitoring, continuous monitoring for 22 hours; 2. The parameters of blood oxygen, pulse rate, respiration, etc; 3. Data storage:Â 512M; 4. Detection of respiratory wave and respiratory rate; 5. Data transfers data through Bluetooth; 6. TYPE-C interface charging and reading record files; 7. External silicone finger and wrapped type sensor, comfortable to wear.