1. Magnetic strap mobile phone holder, built-in double-ring nepheline magnet, with magnetic ring, compatible with all mobile phones
2. The strap is adjustable in tightness, with high-viscosity Velcro, easy to use
3. Suitable for use in various scenarios, sports fitness/car water cup/running call, etc., freeing your hands
4. Material: ABS+PC+silicone+alloy+ribbon
5. Size: basic model 38 x 250 x 15mm, extended model 38 x 360 x 15mm
6. Applicable water cups: basic model is suitable for water cups with a diameter of 50-70mm, and extended model is suitable for water cups with a diameter of 70-100