I can't stand anything in my ear. After a while I start to get a head ache and my ears stat to hurt at the pressure spots where the ear phone is sitting. I don't like wires either so I use these:
Amazon.com: Sony DRBT21G/B Stereo Bluetooth® Headset: Electronics
For those items that do not have native Bluetooth I use this to plug into the headphone slot.
Amazon.com: Sony TMR-BT10 - Bluetooth wireless audio transmitter: Electronics