Fast and Reliable Results: Equipped with advanced high-precision sensor technology, the pulse oximeter delivers quick and accurate blood oxygen (SpO) and pulse rate readings, ensuring real-time health monitoring. Lightweight and Portable: Designed for convenience, this compact, pocket-sized oximeter is easy to carry, making it ideal for travel, sports, and outdoor health management. Easy to Operate: With a simple finger-insertion mechanism and user-friendly interface, measurement takes just seconds. The bright LED display provides clear, easy-to-read results. Widely Used: Suitable for sports enthusiasts, the elderly, and travelers. Helps monitor oxygen levels during workouts, sleep tracking, and high-altitude activities such as hiking or climbing. Product Weight: 35gMaterial: ABS + Electronic Components + PCProduct Size: About 7.4 5 3.4 cm / 2.91 1.97 1.34 inchesOutput Power: 3WInput Voltage & Current: 3V / 1APower Supply: 2 AAA batteries (not included)