Shapeheart Magnetic bike phone holder Anti Vibration Waterproof for 360 orientation

[Universal and weatherproof]: The Shapeheart sleeve exists in 3 sizes to be compatible wIth all smartphones. It protects phone from rain (weatherproof) while offering a very sensitive touchscreen and has an output for charger/headphones [French design and after-sales service 7/7]: Shapeheart is a young French startup. It is in DNA to offer high quality products that meet needs. If one receive a product with the slightest defect, we proceed to an immediate exchange. customer service is available 7 days a week on Amazon [Does it hold?]: This magnetic system supports up to 8 kilos! Sidewalks, cobblestones or speed bumps, checked at high speed: it won't move. Don't hesitate to watch videos to better understand it. smartphone is safe whether on a bike, mountain bike, gravel, scooter and even on a motorcycle