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| Model | RL501 |
| Function | Monitor real-time heart rate, blood oxygen, temperature, sleep, stress, daily exercise steps, calories, movement distance, exercise time and activity intensity. |
| Specification | 8 sizes (6#, 7#, 8#, 9#, 10#, 11#, 12#, 13#) |
| Transducers | PPG Bio-Photonic Sensors, 3D Accelerometers, Temperature Sensors |
| Net Weight | 5g (7 #) |
| Wireless Transmission | BLE 5.2 / BLE 5.0, ANT+ |
| Biocompatibility | Pass |
| Waterproof Standard | IP68 / 5ATM |
| Charging | Wireless charging |
| Supported Devices | Android 8.0 +, ISO 12.0 + |