HealthTree Bluetooth Handheld Pulse Oximeter provides continuous monitoring of SpO2 and pulse rate with ±1% accuracy. This USB rechargeable device features a 10-user mode for multi-member management and includes an alarm for both SpO2 and pulse rate levels. Designed for fast results within 3-5 seconds, it pairs with the HealthTree app on iOS and Android for wireless data transmission and tracking. The unit comes with a charging base and a finger sensor probe for comfortable, long-term monitoring.