Price: $19.99
(as of May 17,2023 09:47:45 UTC – Details)
From the manufacturer
Type
Headphones Headphones Headphones Headphones Headphones Wireless Bluetooth Headphones
Fit
On-Ear Clip On-Ear On-Ear On-Ear On-Ear On-Ear
Connection
Wired (3.5mm plug) Wired (3.5mm plug) Wired (3.5mm plug) Wired (3.5mm plug) Wired (3.5mm plug) Wireless Bluetooth
Microphone
No No In-Line Microphone In-Line Microphone No In-Line Microphone
Controls
No In-Line Volume Control In-Line 1-Button Control In-Line 1-Button Control No In-Line 3-Button Control
Sound
Koss Titanium drivers tuned for personal listening Koss Titanium drivers tuned for personal listening Balanced for personal listening Balanced for personal listening Classic Koss Porta Pro sound with exceptionally deep bass Wireless Bluetooth sound that is indistinguishable from the Koss Porta Pro Classic
Comfort
Pivoting ear-clip Sling headband Sling headband & patent pending earcup suspension Sling headband & patent pending earcup suspension Comfort Zone temporal pads & custom fitting earcups Comfort Zone temporal pads & custom fitting earcups
Cushion
Soft foam (replaceable) Soft foam (replaceable) Soft foam (replaceable) Soft foam (replaceable) Soft foam (replaceable) Soft foam (replaceable)
Portability & Travel
Lightweight & small form factor for easy storage Lightweight design Rugged design for commutes & travel Rugged design for commutes & travel Collapsible & includes carry case Collapsible & includes hard carry case
Bluetooth Version
n/a n/a n/a n/a n/a Bluetooth 4.1 with apt-X
Sport clip design fits neatly around each ear, with pivoting earplates for a comfy fit
Titanium-coated drivers deliver accurate sound reproduction with little distortion
Neodymium iron boron magnets offer deep bass performance for an extended frequency response
Cord measures four feet long; L-shaped 3.5 mm plug
Frequency response – 15hz–25khz
Compatible devices: Cellphone
Connector type: 3.5mm Jack

$19.99