Features: Portable and Sturdy: The fingertip pulse oximeter is made with premium plastic, featuring a small, portable size and lightweight design for easy handling and portability. Fast and Accurate Readings: This pulse oximeter provides fast and reliable measurements of oxygen saturation and pulse rate, with a minimal margin of error. User-Friendly Design: No buttons requiredsimply insert your finger for approximately 8 seconds to obtain readings. Automatic power-off function activates when the finger is removed. Large LED Display & Rechargeable Battery: Features a large digital LED display for clear and easy-to-read results. Equipped with a built-in rechargeable lithium battery. Wide Range of Use: Suitable for use during sports activities, mountain climbing, aviation, and for individuals monitoring blood oxygen levels and heart rate. Appropriate for children, teenagers, adults, and the elderly. Notice: 1. Actual color may vary slightly from the image due to lighting differences. 2. Please allow 13 cm deviation due to manual measurement. Specifications: Size: 60 x 31 x 29 mm Power: Lithium battery Measurement Range: SpO2: 70%99%, Pulse Rate: 25250 BPM PI: 0.4% Operating Mode: Continuous operation Charging Method: USB Type-C Package List: 1 x Fingertip Pulse Oximeter