💗 Continuous & Consistent Data: Comes with 2 soft finger probes for reliable SpO2 and heart rate readings. It records real-time data throughout the night, providing a comprehensive overview of your sleep patterns and physical status for sports and aviation reference only. 💗 FREE Sleep Reports: Built-in Bluetooth 5.0 syncs seamlessly with the “Berry Smart Health” app. Get a full overview of your night—track SpO2 levels, heart rate, and sleep patterns for sports and aviation reference only. Wear it for 30 minutes, sync via Bluetooth, and view your complete data breakdown in the app. NOT a medical device. 💗 Easy to Use & Wear: Designed like a regular watch, it’s ultra-light (only 20 grams) and portable. Simply attach the soft sensor to your finger before bed, wear it while sleeping, and review your data in the app the next morning. NOT intended for medical use. 💗 Long Battery Life & Wide Application: Features a Type-C charging port for convenient powering with any cable or power bank. 4 hours of charging provides up to 18 hours of continuous use. This portable pulse oximeter is ideal for sleep tracking, sports, hiking, and aviation use. NOT A MEDICAL DEVICE, FOR SPORTS & AVIATION USE ONLY. 💗 Smart Sports & Aviation Alerts: If your SpO2 or heart rate falls outside your preset range, the device emits a gentle buzzer and logs the event in your report—so you stay informed for sports and aviation reference only. 💗 Consistent Readings for All Skins: Pepultech’s Osasleep Sleep Pulse Oximeter uses smart sensor technology that works with all skin tones and wrist sizes, delivering steady, real-time stats throughout the night for sports and aviation reference only.. Notes: Not for Medical use.Only Used for Sports or Aviation