*Characteristic Build-in Sound Chip
*USB: V2.0
*Power Powered by USB
*Plug :1pcs USB connector and 2pcs 3.5mm audio jack
Latest USB technology: Uses the latest USB circuitry to give a very low internal noise and a high signal-to-noise ratio; No auxiliary power or sound card required.
Full-duplex capability: Full-duplex (microphone as well as speaker) USB adapter for the ultimate in both input and output performance.
Plug-and-play convenience: Plugs right into your USB port
Uses standard Windows drivers: Works with Windows 98SE, ME, 2000, XP, and Vista operating systems; No additional software required!
Driver unit·ª dia.40mm
Frequency response·ª 20-20khz
Impedance·ª 32 ohm
Sensitivity ·ª 105db, 111db (at 1 khz)
Noise reduction level f¦13db at 300hz
Plug·ª ¦ª3.5mm, with ¦ª6.3mm adapter
Battery ·ª 1pcs aaa bettery
We combine active noise cancellation with style. Comfort and sound quality to create a full, rich sound anywhere you use them. Thanks to the soft ear cushions and lightweight design you'll enjoy superior comfort for hours of listening pleasure. Plus, you'll experience optimal sound quality and speech clarity even at lower volumes, easily adjusted by the in-line volume control. Requires one aaa battery (not included) .It is compatible with all ipod, mp3, cd, dvd players, computers, in-flight and home entertainment systems
*Driver Unit: 2pcs dia. 40mm
*Frequency Response: 20-20kHz
*Impedance: 32ohm
*Sensitivity: 110dB
*Plug: USB 2.0
*Characteristic Build-in Sound Chip
Latest USB technology: Uses the latest USB circuitry to give a very low internal noise and a high signal-to-noise ratio; No auxiliary power or sound card required.
Full-duplex capability: Full-duplex (microphone as well as speaker) USB adapter for the ultimate in both input and output performance.
Plug-and-play convenience: Plugs right into your USB port
Uses standard Windows drivers: Works with Windows 98SE, ME, 2000, XP, and Vista operating systems; No additional software required!
Anc in-ear earphone
Driver unit 2pcs dia8mm
Frequency response 20-20khz
Impedance 32 ohm
Sensitivity 113db, 120db (at 1 khz)
Noise reduction level ¿¬p11db at 300hz
Plug dia 3.5mm
Cord length 2.0m
Battery aaa 1pcs
We combine active noise cancellation with style. Comfort and sound quality to create a full, rich sound anywhere you use them. Thanks to the soft ear cushions and lightweight design you'll enjoy superior comfort for hours of listening pleasure. Plus, you'll experience optimal sound quality and speech clarity even at lower volumes, easily adjusted by the in-line volume control. Requires one aaa battery (not included) .It is compatible with all ipod, mp3, cd, dvd players, computers, in-flight and home entertainment systems
Anc689
Driver unit 2pcs dia40mm
Frequency response 20-20khz
Impedance 32 ohm
Sensitivity 110db, 116db (at 1 khz)
Noise reduction level f¦13db at 300hz
Plug dia3.5mm
Cord length 2.0m
Battery 1pcs AAA battery
We combine active noise cancellation with style. Comfort and sound quality to create a full, rich sound anywhere you use them. Thanks to the soft ear cushions and lightweight design you'll enjoy superior comfort for hours of listening pleasure. Plus, you'll experience optimal sound quality and speech clarity even at lower volumes, easily adjusted by the in-line volume control. Requires one aaa battery (not included) .It is compatible with all ipod, mp3, cd, dvd players, computers, in-flight and home entertainment systems