Waterproof PU Laptop Bag Inner Bag with Power Pack, Size:15 inch(Grey) SMART SENSOR Material: PBT body

Material: PBT body

insertion loss is small

Four-stage charging mode

restoring high-fidelity sound effect

no need to pull wires

Waterproof PU Laptop Bag Inner Bag with Power Pack, Size:15 inch(Grey) SMART SENSOR Material: PBT body1. Material: waterproof PU leather 2. Inner: fleece lining 3. Specially designed for laptops, fitting the body without loosening 4. Thick plush lining, soft and scratch resistant 5. Comfortable hand feeling, long term use without tired hands 6. Waterproof, dirt resistant and easy to care, just wipe clean 7. The design of the pull bar on the back is convenient and labor saving 8. Can be carried on one shoulder, switch at will 9. Equipped with a large