This smart bracelet is a versatile accessory compatible with both iOS and Android operating systems. The sleek black case and band are made of durable aluminum and rubber materials respectively, ensuring long-lasting use. Measuring 22mm in case size, this smart bracelet is perfect for those looking for a wearable tech device that doesn't compromise on style and functionality. Ideal for those who want to stay connected on the go, this smart bracelet is a must-have for anyone interested in improving their productivity and lifestyle. With its range of features and compatibility with various devices, it's an excellent addition to any tech-savvy individual's collection.