Key Features: Fast and Reliable Results: This pulse oximeter is designed for precision, quickly detecting and accurately measuring blood oxygen levels. Its advanced high-precision sensor technology ensures real-time health tracking. Lightweight and Portable: Designed to be lightweight and portable, this pocket-sized pulse oximeter is ideal for travel and outdoor health management. Easy to Use: Its user-friendly interface and finger-insertion design make testing easy and convenient, while the bright LED display shows easily readable numbers. Versatile Use: This pulse oximeter is widely used by sports enthusiasts to track sleep and blood oxygen levels. It also supports health monitoring for the elderly and operates reliably in various conditions, making it ideal for high-altitude travel. A Perfect Gift: This pulse oximeter combines practicality and emotional value, making it the perfect gift for friends and family who want to effectively manage their health. Its portable and compact size allows for easy pre-meal, post-meal, and nighttime monitoring, while also ensuring reliable operation during travel and emergencies. Specifications: Product Type: Pulse Oximeter; Product Weight: 35g; Product Material: ABS + Electronic Components + PC; Output Power: 3W; Input Voltage and Current: 3V/1A; Power Supply: AAA Batteries (Not Included); Product List: 1 * Pulse Oximeter