Wireless Headphones Comparisons

Wireless headphone and price*	Weight	Wireless headphones features
Comparison Chart - Wireless Headphones
Pioneer SE-DIR800C Where to Buy (*est. $300)	8 ounces	Infrared. Dolby Digital, Dolby Pro Logic II, DTS processing, including Dolby Headphone mode. Uses 2 AA Ni-Mh rechargeable batteries (included). One-year warranty.
Sennheiser RS 130 Where to Buy (*est. $150)	9.7 ounces	Radio frequency. Uses two AAA rechargeable Ni-Mh batteries (included). Two-year warranty.
Sennheiser RS 120 Where to Buy (*est. $100)	8.1 ounces	Radio-frequency.Uses two AAA rechargeable Ni-Mh batteries (included). Two-year warranty.
Logitech FreePulse Wireless Headphones Where to Buy (*est. $100)	2.3 ounces	Bluetooth. Uses rechargeable batteries, which are included. Bluetooth adapter works with any music player through headphone jack (including iPods). Two-year limited warranty.
Etymotic ety8 Where to Buy (*est. $220)	1 ounce	Bluetooth. It's $100 cheaper if you don't need the Bluetooth adapter. Fits into your ear canals. Uses rechargeable batteries. Two-year warranty.