Men's Grey Oxford Cloth Business Multi-function Backpack Mother’s Day Microphone sensitivity: -38 dB +

Microphone sensitivity: -38 dB + / - 3dB

Backlight Brightness Levels: 4

Style: One Shoulder

It is a good desk accessories while watching video

Men's Grey Oxford Cloth Business Multi-function Backpack Mother’s Day Microphone sensitivity: -38 dB +Product information: Capacity: 20L or less The internal structure of the bag: zipper pocket, mobile phone pocket, ID pocket, sandwich zipper pocket, computer pocket Opening method: zipper Material: Oxford cloth Function: Breathable, wear resistant, shock resistant, lightening Hardness: Medium to soft Pattern: plain Style: Business commuting Lining texture: polyester Outer bag type: inner patch pocket Bag shapes: square vertical section Size