Compatible Model Designed exclusively for Samsung Galaxy Fit 3 SMR390 Smartwatch. Not compatible with Galaxy Fit or Galaxy Fit 2 models. Fitness tracker not included. Adjustable Magnetic Buckle Features an upgraded adjustable magnetic plastic clasp that makes putting on and removing your watch quick and easy with one hand. This design offers greater convenience and a cleaner look compared to traditional hookstyle metal clasps. Fits wrist sizes from 5.5 to 9.5 inches (140mm to 240mm). Stretchy Nylon Material Crafted from quality soft nylon that is breathable, lightweight, washable, and durable. Suitable for allday wear in activities such as workouts, running, hiking, or casual daily use. Provides a comfortable fit that stays secure without irritating the skin. Secure and Easy Installation Equipped with stainless steel connection adapters on both ends for a precise fit with your Galaxy Fit 3. The strap can be attached or removed in seconds without tools, ensuring a hassle experience and reliable hold to prevent accidental drops. Practical Use Scenarios Ideal for fitness enthusiasts who need a secure, comfortable strap during intensive training or sports. for daily wear at work, home, or while traveling thanks to its lightweight and breathable design. Suitable for outdoor activities such as hiking or cycling, with a quickadjust clasp to easily adapt fit on the go.