Product Specifications Material: Genuine leather Body size: Height 6.5cm x Width 3.5cm x Depth 3.9cm Weight: 80g Colors: Black, Blue, Brown Compatible models: General pulse oximeters Features 1. High-quality genuine leather material Made with high-quality genuine leather, it feels good to the touch and gives a luxurious impression. The more you use it, the more character it gains. 2. Available in 3 colors to choose from Available in three colors: black, blue, and brown. Each color has a calm impression and can be used in any situation. 3. Compact and convenient to carry The small design fits neatly in your bag or pocket. You can safely carry your pulse oximeter when you go out or travel. 4. Easy opening and closing with a magnetic flap A magnetic flap designed for ease of use. It can be opened and closed smoothly with one hand. 5. Stylish design, perfect for gifts The sophisticated design and practicality are sure to be appreciated as a gift. Perfect for a gift for someone important to you who cares about their health. Please feel free to contact us if you have any questions.