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Product Information:

Bag size: medium
Capacity: 20L or less
Package internal structure: ID bag, mobile phone bag, zipper pocket, computer pocket
Opening method: zipper
Applicable gender: neutral / male and female
Material: Canvas
Whether with lock: No
With or without rain cover: None
Function: waterproof, breathable, wear-resistant, anti-theft, lightening, shockproof
Processing methods: soft surface
Pattern: Plain
Applicable gifts occasions: advertising promotion
Style: Business
Lining texture: polyester
Accessories type: backpack shoulder
Strap root number: double root
Popular elements: simple
Lifting parts: soft handle
Outer bag type: three-dimensional bag
Bag shapes: square vertical section
With or without tie rod: No
Carrying system: Physiological curve back plate
Color: blue, black, gray, pink
Size: 14 inches, 15 inches
Style: backpack / backpack
Applicable product types: Ipad, tablet, notebook
Is there a liner: Yes

Package List:

Backpack*1

Product information:

Type: Optical Mouse
Connection with computer: wired
Photoelectric resolution: 4000dpi (dpi)
Number of buttons: 8 (key)
Interface: USB
Adjustable resolution: four files
Working mode: photoelectric
Roller direction: four-way wheel
Features: Gaming Mouse, Ergonomics
Line length: 1.5 (m)
Color Classification: Black and Blue Basic Edition Black Orange Basic Edition Black and Red Basic Edition
Headphone type: Headphone
Wearing style: head-mounted
Headphone output source: general
Plug diameter: 3.5mm
Plug type: straight plug type
Whether wireless earphone: Wired earphone
Is there a microphone: yes
Sounding principle: moving coil
Frequency response range: 15-20000 (Hz)
Impedance: 22 (Ω)
Sensitivity: 105 (dB)
Distortion rate: 0.05 (%)
Wire length: 2.1 (m)
Speaker diameter: 40 (Φmm)
Headphone cable material: braided wire