Features 1. Material: TPE material is used for safety and environmental protection. 2. Process: the lock is die-cast with zinc alloy material, and the surface is electroplated and sprayed with oil. All the materials are harmless to human skin, environmental protection and safety, and no allergy. 3. Features: the design of the wristband is ergonomic, strong and durable, moderate softness, and very comfortable to wear. 4. Fit the original Fitbit Charge Surge smart bracelet. 5. Weight 25g, size 10x2x0.5cm
