Dimensions: 30cm long, 15cm wide, 47cm high Creative design: This Roblox USB headset youth casual travel backpack combines Roblox game elements and USB headset functions, which is very attractive to young people. The backpack is fashionable and in line with the taste of teenagers. USB headphone function: The backpack has a built-in USB charging port and headphone jack, which is convenient for connecting headphones for charging and music playback, allowing teenagers to enjoy music and convenient charging at any time. Large capacity space: The spacious main storage room is designed to store books, stationery, laptops and other items, making it an ideal choice for teenagers to travel or for daily use. Comfortable carrying: Designed with comfortable carrying, the adjustable shoulder straps reduce shoulder pressure and give users a more comfortable wearing experience. Multifunctional use: Not only suitable as a school bag for students, but also suitable for travel, leisure and other occasions, providing a convenient and fashionable choice for teenagers.