1. Abrasion and scratch-resistant fabric, rainproof and splash-proof
2. External USB charging port, portable and practical
3. Use three password lock to prevent the zipper of the chest bag from being pulled open
4. Ergonomic handheld, comfortable grip
5. Three-dimensional honeycomb breathable back pad, dry and breathable back protection
6. Material: waterproof and breathable Oxford cloth material
7. Net weight: 0.38KG
8. Specifications: length 16cm thickness 9.5cm height 33cm