Compatible with most smartphones and Bluetooth headsets on the market Bluetooth 5.0 version, backward compatible with earlier Bluetooth versions Magic strap design allows secure mounting on bicycle or motorcycle handlebars IP67 waterproof rating with high-quality materials for effective dust and water resistance Bluetooth hands-free function enables riders to manage phone calls safely Supports voice assistant functionality to activate Siri or Android voice assistant on mobile devices Compatible with iOS devices supporting Bluetooth 3.0 and later Compatible with Android devices supporting Bluetooth 4.0 and later Ideal for use in various settings: - Car, home, or office - Outdoor sports such as skiing, cycling, motorcycling, or climbing - Fitness activities including dance, yoga, and gym workouts Specifications: Bluetooth Version: V5.0 Working Time: Up to 10 days Charging Time: Less than 2 hours Operating Distance: Up to 10 meters Lithium Battery Capacity: 450 mAh Working Temperature: -10C to 55C Dimensions: 10.7 x 3.9 x 1.3 cm Color: As shown in picture Material: Plastic Package Contents: 1 x Remote Controller 1 x Bandage 1 x Charging Cable Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.