If you a wireless freak, or looking forward to gift something with great looks to your loved ones then AKG T 930 will do the trick for you. Can be used within a range of 100M radius. The Headphones has a PLL integrated tuner that helps in broadcasting signal towards the phones, and the auto scanning and auto gain control regulate the data flux between the transmitter and ear cans.
The headphones weight about 180 grams. This beauty will hit the market in November and expected to be priced at 200 USD
Specs:
Design: Semi-open, supra aural
-Frequency range: 18Hz – 22kHz
-Maximum SPL: 105dB
-Carrier frequency: 864MHz
-Input impedance: 19 Ohms
-Range: 100 Meters
-Optimal transmission quality: PLL synthesizer tuner
-Weight (headphones): 180 Grams
-Weight (transmitter/charger): 275 Grams
-Auto tuning, AGC.