Function:

• External USB charging port

Breathable Back:

• High elastic cotton design on the back
• Ensures comfort and keeps you dry
• Adds no extra burden

Internal Structure:

• Zipper pocket
• Mobile phone pocket
• ID pocket
• Sandwich zipper pocket
• Computer pocket
• Camera pocket

Features:

• Security and anti-theft
• Multi-layer storage space
• Lightweight design
• USB charging
• Water-repellent fabric