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Input : pure tone, warble tone ±5%, 5Hz Sine wave frequency modulation. Masking : Both air conduction and bone conduction can do masking Computer Interface: USB data transfer interface, can transfer data to computer, and also can set up personalized print reports. Output : Air conduction earphone(L/R), Bone conduction earphone(L/R), Insert earphone, Insert masking. Transducer : TDH 39 earphone (standard configuration) B71 bone conduction earphone (standard configuration)
