PROMASS promass Sling Bags, Chest Bag Backpack Shoulder Bag Crossbody Bags with USB Charging Port, Mens Outdoor Waterproof Casual Bags Lightweight Sling Bag for Sports Outdoor Traveling

Product description Feature:1. Comes with a USB charging port great convenience for charging your electronic devices via connecting your own power bank(power bank not included).2. The casual chest pack is durable,made of waterproof nylon + leather material,soft and comfortable, light and waterproof.3. Adopts adjustable shoulder straps,thickened breathable mesh padding on the back,breathable and sweat-wicking,smooth and comfortable,making travel more unfettered. Specification:Material: Nylon+CortexColor: BlackDimensions: 6.7(Width) x 11.8(Height) x 2.4(Thickness) inch (17 x 30 x 6 cm)Weight: 240g/0.53lbTypes: sling bag,chest bag,cross body bag,crossbody bag,small bag for menOccasions: Work, School, Travel, Gym, Hiking, Camping, Climbing, Cycling, Running, Outdoors Sport and Daily Use Instructions (please note that the usb port is not self-powered):Step 1: connect your power bank with built-in USB male port (power bank is not included)Step 2: use your own cable to connect the USB female port outside of this sling bag Package Included:1 x Chest Sling Bag