MULTI-FUNCTIONAL FINDER：SDD Finder is a compact tracker for keys, luggage, wallets, and more. It works with Apple’s Find My network, offering encrypted privacy and no extra app needed. With a 100-foot range and 110-decibel alarm, it alerts you to low battery and uses a replaceable CR2032. Use Find My or Siri for map guidance when out of range.

COLLEGE BACKPACK WITH LOTS OF STORAGE SPACE: A separate laptop compartment holds a 16-inch laptop. A spacious organizer compartment for everyday essentials and tech-electronic accessories. The front compartment of this men's backpack features multiple pockets and pen pockets to keep your belongings organized and easy to find.

INTEGRATED USB CHARGING PORT: Laptop backpack with USB charging port, offering quick access to charge your electronic devices such as smartphones, tablets, kindles and all other USB devices on the go while using them at the same time. A powerbank is not included. A special powerbank is not required.

MEN'S WORK BACKPACK WITN RFID PROTECTION：This durable men's backpack features an integrated RFID protection compartment to keep your sensitive data safe(such as credit cards, passports, and driver's licenses). It also includes a comfortable, breathable backrest and adjustable shoulder straps for ease of use during travel and daily activities.

ADD-A-BAG SYSTEM: The intelligent Add-A-Bag system is not only a tremendous relief for your multi-luggage travel, but it is also extremely easy to handle. Simply connect your bag to the luggage with an integrated luggage strap.