Portable Audio
Knowledge Zenith ES4
- Black
- Green
xDuoo XD-05 Plus
- Black
- Silver
VSONIC VSD3
- Green
- Red-Blue
7 Hertz Acoustics Salnotes Zero
- Black
- Celeste
- White
- Mecha
- Orange
Knowledge Zenith ED3M
- Blue
- Red
Portable Audio is a personal mobile device that allows the user to listen to recorded music while mobile. Portable Audio device can be Earphones, Earbuds, On Ear Headphones, Over Ear Headphones, Portable Audio Player and Headphone Amplifier.