Built-in 4pcs N50 permanent magnets, 15 times the suction force, stable and reliable Rotating shaft design, 360 degree free rotation, long-term use will not loosen Use magnetism for science without disturbing the signal Exquisite and compact, not blocking the line of sight Paste in multiple locations to ensure safe driving and navigation Strong adhesion, high temperature resistance, strong and tough to tear without leaving traces The magnetic surface is fully covered with anti-slip silicone surface, non-slip, stable adsorption, and will not damage the phone shell Compatible with mainstream models on the market, such as for iPhone, for Huawei, for Samsung, for Xiaomi, etc. Specification: Magnet: 4pcs N50 permanent magnets Product material: PVC+skin-friendly soft silicone Product size: length 50mm*width 40mm Base material: PC Base size: length 50mm*width 29mm Square magnetic sheet size: length 50mm*width 38mm Round magnetic sheet size: diameter 40mm Thickness of magnetizing sheet: 0.4mm Applicable phone models: universal Applicable car models: universal Compatible with: Universal Models Package included: 1 x Magnetic Car Phone Holder 1 x Arc Base 1 x Nut 2 x Base Stickers White (Universal) 1 x Round Mirror Magnetic Sheet 1 x Square Mirror Magnetic Sheet 1 x Round Mirror Magnetic Sheet Protective Film 1 x Square Mirror Magnetic Sheet Protective Film 1 x Alcohol Wipe