1FITMENT: This watch band compatible for Mi Band 8, and for Mi Band 8 NFC. No device included. Not fit any other smartwatch. Please double check your fitness watch model and wrist size. 2ADJUSTED: Replacement band can be adjust to the right wrist size. You can easily shorten or extend the strap and adjust it to the most suitable length according to the size of your wrist. 3MATERIAL: This strap made of PU leather and alloy. It is skin friendly and offers comfortable feel when you wear it. Durable and strong, very lightweight and portable. 4SCREDRIVER: The replacement watch strap comes with a screwdriver that is easy to install and replace, so you can do it yourself, which adds even more fun. 5VINTAGE DESIGN: The stylish design with vintage alloy ornament, gives your watch bracelet the perfect decoration. It is an exquisite and beautiful gift.