Alteam Inc

IR headphones(1)
Noise Cancelling Hea(1)

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alteam noise cancelling headphones
Specification: Noise Cancelling Headphones
Detail: Drive Units: 40mm Frequency Range: 20Hz-20KHz Impedance: 50ohms M.P.O.: 120mW Noise Reduction: 70Hz-1.2KHz T.H.D.:0.05%-1% Power: AAA*2 Battery Life: 60hours Plug Type: 3.5mm

ir headphones
Specification: R-CH 2.8MHZ L-CH 2.3MHZ
Detail: Drive Units:40mm Impedance: 32ohms Working Distance: 8m Power: AAA*2 Battery Life: 45 hours


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