- Versatile Compatibility: This universal bike cell phone holder accommodates devices ranging from 4 to 6.5 inches, with a thickness of up to 15mm, including cases. It is designed for use on bicycles, motorcycles, strollers, shopping carts, electric scooters, indoor treadmills, and stationary bikes. - Adjustable Viewing Options: Effortlessly switch between horizontal and vertical orientations to enhance usability. Whether you need to answer calls, listen to music, or use GPS for navigation, this holder makes it easy while on the move. - Durable Construction: Crafted from high-quality aluminum alloy, this phone holder features surface oxidation treatment for enhanced durability and rust resistance, ensuring long-lasting performance. - Convenient Installation: The universal rearview mirror phone holder is designed for quick and easy installation and removal. No complicated tools are needed, making it a practical accessory for your vehicle. Use Scenarios: 1. Cycling: Easily mount your phone for navigation or music control while riding, keeping your hands free and your focus on the road. 2. Shopping: Attach to a shopping cart to manage your shopping list or access your phone while navigating the aisles. 3. Treadmill Use: Secure your phone on an indoor treadmill to watch videos or track workouts without interruption. This bike cell phone holder combines functionality, compatibility, and premium materials, making it an essential accessory for active lifestyles.