![Amazon.com: Koss BT221i Wireless Bluetooth Ear Clips, In-Line Microphone, Volume Control and Touch Remote, Sweat Resistant, Black : Electronics Amazon.com: Koss BT221i Wireless Bluetooth Ear Clips, In-Line Microphone, Volume Control and Touch Remote, Sweat Resistant, Black : Electronics](https://m.media-amazon.com/images/I/51Y8odk7SVL.jpg)
Amazon.com: Koss BT221i Wireless Bluetooth Ear Clips, In-Line Microphone, Volume Control and Touch Remote, Sweat Resistant, Black : Electronics
![Amazon.com: Koss KSC35 Wireless Bluetooth Ear Clip Headphones, in-Line Microphone with Remote, 6+ Hour Battery Life, Black Amazon.com: Koss KSC35 Wireless Bluetooth Ear Clip Headphones, in-Line Microphone with Remote, 6+ Hour Battery Life, Black](https://m.media-amazon.com/images/I/61ujPAOCUgL.jpg)
Amazon.com: Koss KSC35 Wireless Bluetooth Ear Clip Headphones, in-Line Microphone with Remote, 6+ Hour Battery Life, Black
![Amazon.com: Koss BT232i Wireless Bluetooth Earclips, In-Line Microphone, Volume Control and Touch Remote, Sweat Resistant, Dark Grey and Black : Electronics Amazon.com: Koss BT232i Wireless Bluetooth Earclips, In-Line Microphone, Volume Control and Touch Remote, Sweat Resistant, Dark Grey and Black : Electronics](https://m.media-amazon.com/images/I/51m88sGKeoL._AC_UF894,1000_QL80_.jpg)