Infrared wireless computer headphone
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1. Invisibly connects with any TV, VCR, VCD, DVD or audio system .
2. Operation distance: up to 10m with latest infrared wireless technology .
3. Active noise reduction system for crystal clear sound.
4. Several headphones can be used simultaneously with one transmitter .
5. IR wavelength:850nm
6. Carrier frequency:
a) R channel: 2.8MHz
b) L channel: 2.3MHz
7. Impedance: 32ohm
8. Operation distance:approximate 10meters
9. Audio mode: stereo
10. S/N ratio: >75dB
11. Channel separation: =70DB
12. Distortion: <1%
13. Frequency response: 30 - 20,000Hz
14. Power supply
Transmitter: DC12V ,50MA
Headphones: 2 x AAA battery