Wireless remote button for hands communication on the move Attach to a helmet, bicycle handlebar, or car steering wheel for convenient control. Compatibility: Works with most smartphones and Bluetooth headsets; some phones may not support all features. Backward compatible with multiple Bluetooth versions. Secure mounting: 120 mm strap design enables stable installation on bicycles, motorcycles, or grips. Durable and weatherproof: Silicone enclosure with IP67 rating provides waterproof, dustproof, and rainproof performance in varied conditions. Easy call control: Builtin Bluetooth handsfree lets you answer and manage calls without taking your hands from the controls. Use cases: Motorcycle or bicycle rides: answer calls safely without removing gloves or hands from bars. Daily commuting: manage calls on the go, whatever the weather. In the car: mount on the steering wheel for convenient hands calling.