USB Charging Bag Sling Bag Pack Shoulder Chest Cross Body Backpack

features makes it a convenient bag for cycling, hiking, traveling for job and daily use.
Feature:
Breathable strap, smooth zipper and functional pockets, stylish and practical, designed for daily work, school, traveling for job, hiking and cycling.
External USB port and earphone holes for charging your phone and listening music anytime and anywhere without opening up the bag.
Adjustable strap with detachable connecting hook for different carry ways, it can be a chest pack, shoulder bag, travel bag, sling bag and a satchel strap in daily life.
Roomy main compartment for your pad, umbrella, wallet and so on, and functional pockets for your little items such as bus card and other personal effects.
Oxford fabric, wear resistant, tear resistant, anti-static and not easily deformed.
Reflective strip on the bag improve visibility and safety in dark.