![Amazon.com: Koss KPH7 Wireless Bluetooth On-Ear Headphones, On-Board Controls with Microphone, Lightweight Portable Fold Flat Design for Compact Storage, Black : Electronics Amazon.com: Koss KPH7 Wireless Bluetooth On-Ear Headphones, On-Board Controls with Microphone, Lightweight Portable Fold Flat Design for Compact Storage, Black : Electronics](https://m.media-amazon.com/images/I/617G2aYmfIL._AC_UF350,350_QL80_.jpg)
Amazon.com: Koss KPH7 Wireless Bluetooth On-Ear Headphones, On-Board Controls with Microphone, Lightweight Portable Fold Flat Design for Compact Storage, Black : Electronics
![Amazon.com: Koss BT190iK Wireless Bluetooth Earbuds | in-line Microphone & Touch Controls | Sweat Resistant | Three Cushion Sizes Included | 6 Hour Battery Life | Light Weight | Black : Electronics Amazon.com: Koss BT190iK Wireless Bluetooth Earbuds | in-line Microphone & Touch Controls | Sweat Resistant | Three Cushion Sizes Included | 6 Hour Battery Life | Light Weight | Black : Electronics](https://m.media-amazon.com/images/S/aplus-seller-content-images-us-east-1/ATVPDKIKX0DER/A1J66CZKF48XH6/B06XC5DLQZ/AlaBI7wtRLq6._UX970_TTW__.jpg)
Amazon.com: Koss BT190iK Wireless Bluetooth Earbuds | in-line Microphone & Touch Controls | Sweat Resistant | Three Cushion Sizes Included | 6 Hour Battery Life | Light Weight | Black : Electronics
![Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2018/04/koss-portapro-wireless-fcc-1.png)
Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica
![Amazon.com: BT190iW Wireless Bluetooth Earbuds, in-line Microphone, Volume Control and Touch Remote, Sweat Resistant, White : Electronics Amazon.com: BT190iW Wireless Bluetooth Earbuds, in-line Microphone, Volume Control and Touch Remote, Sweat Resistant, White : Electronics](https://m.media-amazon.com/images/I/611GpoT4KLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BT190iW Wireless Bluetooth Earbuds, in-line Microphone, Volume Control and Touch Remote, Sweat Resistant, White : Electronics
![Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2018/04/71UM3UQHL._SL1500_.jpg)
Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica
![Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2018/04/koss-portapro-wireless-fcc-16-640x502.png)
Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica
![Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica Wireless version of the classic Koss Porta Pro headphones could be on the way [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2018/04/koss-portapro-wireless-fcc-2-640x504.png)