1Compatibility: This wristband is specifically designed to be compatible for Oppo free smartwatches, which is not suitable for any other smartwatches, providing a perfect fit that is sturdy and secure. 2Adjustable Size: The watch strap is adjustable, allowing you to customize the perfect fit for your wrist, which offers a comfortable wearing experience for both men and women. 3Material: Made with premium, elastic, and soft nylon, the watch strap is durable, breathable, and washable, whose skin friendly design prevents irritation, and even when the strap is wet, it quickly dries up. 4Protection: The protective case and strap are lightweight, reducing the load on your hands, and ensuring that your watch is protected from scratches or damage while providing superior protection. 5Stylish: The watch strap combines functionality with fashion, featuring an attractive design that suits an active life style while meeting your style needs.