1. Easy disassembly and assembly, multi-stage adjustable ventilation, insert buckle design, suitable for all types of body
2. Quick Switch, with double-head j-button, easy to use
3. Suitable for people who like outdoor sports, such as skiing, mountain biking, rowing, water sports
4. Practical and comfortable with a wide range of applications
5. For GoPro sports cameras and cell phones
6. Adjustable shoulder strap for easy operation
7. High elastic elastic elastic elastic band, comfortable breathable, also suitable for underwater
8. Material: PVC elastic band
9. Load: 500g
10. Packing list: chest strap + double head J-type buckle + packing bag
11. Weight: 180g