The Case-Mate Phone Bangle for Most Cell Phones - Black represents a functional accessory solution, engineered for broad compatibility and user convenience. Its matte silicone construction provides a balance of flexibility and durability, supported by a 1-year parts warranty. The universal attachment system and the ability to charge devices without removal are key design achievements, enhancing the operational utility for a diverse range of smartphone users. The unit's compact dimensions and minimal mass contribute to its ergonomic profile.