Wireless remote button that can be attached to a helmet, motorcycle handlebar, or car steering wheel for quick access on the go. Compatibility: works with most smartphones and Bluetooth headsets; some devices may not be supported. Backward compatible with multiple Bluetooth versions. Easy installation: uses a 120 mm strap for secure mounting on bicycles, motorcycles, and grips. Weatherproof and durable: silicone body with IP67 waterproof, dustproof, and rainproof protection for allweather use. Hands control: builtin Bluetooth hands function to manage calls safely while riding; you can answer, end, or reject calls remotely. Practical use scenarios: daily bike or scooter commute; weekend motorcycle rides; long cycling tours; convenient when wearing gloves or riding in rain or dusty conditions. Materials and design: lightweight, compact silicone construction designed for reliable performance across BT versions. Use responsibly and in accordance with local laws and safety guidelines.