If you want to choose one wireless headset under $100，Outdoor Technology DJ Slims may be a good choice.
It offers not only comfortable ear pads, solid base, but also clean sound.
1. mini-mic built-in, which allows you to talk on the phone/Skype.
2. Easy to control, makes you totally handsfree.
3. Long Working time: 8-9 hours of talk/listening time.
4. Supports 30-Feet range. You can roam free like the Yowie in the friendly confines of your studio apartment.
5. Over-ear headphones modell. comfortable to wear.