Advanced SpO2 Monitoring: Monitor your blood oxygen saturation levels in real-time throughout your day. Even as you sleep. (Not intended for medical use)
Detailed Heart Rate Monitoring：Include 24/7 monitoring, a detailed graphs identifying active and resting heart rate averages. You can also set a max heart rate warning to notify you if/when you’re within a certain target range.
Automatic Sleep Tracking: See detailed sleep data, such as deep sleep, light sleep, REM sleep, and intermittent wake periods.
14 Sports Modes: Pick from a variety of both indoor and outdoor trackable sports activities and review a detailed summary of your physical activity.
Daily Activity Tracking: Track your daily steps, distance traveled, or calories burned right from your smart watch. See more detailed information when paired with the Letsfit mobile app.
Model No.: IW1
Sync: Bluetooth 5.0
Screen: 1.4”” TFT LCD
Battery Capacity: 250mAh
Working Voltage: 5V-500Ma
Working Temperature: -10℃ to 40℃
Weight: 1.2oz (34g)
Waterproof Rating: IP68
Working Time: 10days
whats truly ironic is that this knock-off is probably far more of a direct violation of the patent in question than what Apple has done... yet they have zero consequences - as China ENCOURAGES patent violation (since all manufacturers there are ultimately owned by the CCP).