What are the advantages of this shoulder strap?

✅With its cool 3D shape, it is compact and lightweight, multi-layer with large capacity.
✅ It is scratch resistant and wear-resistant.
✅ It is waterproof
✅ It is a real anti-theft system
✅ It has a USB charging design.
✅ High-quality materials make the looks and feel exceptional
✅ Scratch-proof material prevents wear marks
✅Water repellent and drop-resistant materials keep your stuff always dry
✅The hidden card pocket is handy and secure
✅The 3.0 USB connector makes it easy to charge your phone
✅Breathable honeycomb material keeps from sweating and it comfortable to use