WIll these head phones work?

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I am willing to spend the money to try the head phones if you guys and girls think they will work and I will tell everyone if they do. Plenty of input please!


http://cgi.ebay.co.uk/Sennheiser-RS-110 ... dZViewItem

Here some of the Spec:
SENNHEISER RS110 WIRELESS RADIO HEADPHONES

Max. Sound pressure level (aktiv)
106 dB

Power supply
9V DC (transmitter); AAA batteries (receiver)

Weight (Transmitter)
180g

Weight (Receiver)
230 g (inc batteries)

Range
up to 100 m

Modulation
FM Stereo

Signal-to-noise ratio
> 65 dBA

RF frequency range
863 - 865 MHz or 926 - 928MHz

Dimensions (Transmitter)
85 x 110 x 133 mm

Frequency response (headphones)
22 - 19500 Hz

Transducer principle (Headphones)
dynamic, open

Operating time (Battery)
approx. 20 - 25 h

THD, total harmonic distortion
< 0.7 %

Jack plug
3.5mm / 6.3 mm stereo (863 - 865 MHz), cinch (926 - 928 MHz)