BESTLIFE BT-3401R-1-17 Trolley Laptop Backpack with Wheels, Travel Rolling Backpack with Telescopic Handle, Large Capacity Waterproof Business & Travel Bag, Fits up to 17” Laptop USB Hubs Audio: 1 RCA input /

Audio: 1 RCA input / 1 RCA output for bidirectional audio

Bluetooth & USB-C Wired options for versatile use

Main compartment with zippered pocket for charger

• 6 test wavelengths

USB-A Port Output (QC 3

BESTLIFE BT-3401R-1-17 Trolley Laptop Backpack with Wheels, Travel Rolling Backpack with Telescopic Handle, Large Capacity Waterproof Business & Travel Bag, Fits up to 17” Laptop USB Hubs Audio: 1 RCA input /Product Description The BESTLIFE BT 3401R 1 17 Trolley Backpack is designed for professionals, students, and travelers who need both convenience and capacity. Featuring a durable waterproof exterior, smooth rolling wheels, and a telescopic trolley handle, this backpack easily converts from a traditional backpack to a rolling travel bag. The spacious interior includes a dedicated padded compartment that fits laptops up to 17 inches, along with multiple