UNIVERSALITY: This armband is compatible with most mobile phones, including smartphones and handheld computers from 4 to 6" such as Zebra TC501, TC101, TC201, TC22, TC27, TC53, TC58, TC51, TC52, TC56, TC57, Unitech, Crosscall, Galaxy, iPhone HIGH-QUALITY MATERIALS: Made from durable and flexible silicone for maximum protection, with a universal attachment system. MAXIMUM SECURITY: Securely holds your device, reducing the risk of drops and damage, with an adjustable armband featuring adjustable velcro to fit perfectly on your wrist. COMFORT AND PRACTICALITY: Allows for hands-free use for increased efficiency and convenience, with a 360° rotating support for using the device in portrait or landscape mode. VERSATILITY: Perfect for a variety of activities, from logistics to physical activity (parcel preparation and delivery, running, cycling, hiking…), ensuring secure and comfortable use in all circumstances.