The laptop backpack is designed to balance work and life, allowing it to be used in all occasions, such as work, school, university, travel or exercise. It is suitable for daily use. Product Description: This outdoor bag has a scientific heat dissipation system, a comfortable honeycomb mesh foam back cushion, which promotes air circulation and heat dissipation, effectively reduces back pressure and reduces weight. Comfortable and breathable widened and widened shoulder straps, large contact surface, low pressure, thick shoulders, multi-layer protection, effective pressure reduction, external electrical connection port, can be charged and listened to music, convenient buckle, strong compatibility, Faster and safer charging (no built-in power bank). Features: 1. External connection interface 2. Multiple storage spaces 3. Applicable to multiple scenarios 4. Environmental protection material 5. Scientific cooling system 6. Strong bearing capacity Product Information: Name: Business Backpack Fabric: Oxford cloth Weight: 1 kg Size: 31*18*47cm Product color: Blue Products include: outdoor camping bag x1 Tips: 1. The size of this outdoor business backpack is manually measured, there may be an error of 2-3cm, everything is subject to the actual product. 2. Please understand the chromatic aberration due to light and environmental reasons.