This Earphone

NewEgg.com has the Sennheiser RS-120 Wireless Headphones on sale for $60 with free shipping.
Open-Aire, circumaural, dynamic, stereo headphones
Detailed warm sound reproduction with strong bass response
Convenient metal stand for storing and recharging the headphones
Easy recharge: simply place the headphones onto the charging stand

Product description from NewEgg.com:

Open-Aire ,supraural wireless Stereo-RF headphone syste!
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Detailed warm sound reproduction with strong bass response
Wireless freedom of sound (reception through walls and ceilings) with maximum comfort
For hi-fi and TV use
Very lightweight headphones are extremely comfortable to wear
Replaceable parts for long service life
Convenient metal stand for storing and recharging the headphones
Easy recharge: simply place the headphones onto the charging stand
NiMH rechargeable batteries included
Transmitter can be optionally wall-mounted

Product link.