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stefan Thediameter of the shaft is 11 mm. A 4mm tongue is used. A standard bicle chain - 1I2" x 3I32" does NOT fit - 1I2" x 1I8" does fit

2020-04-13 04:33:10 Pomocny (0)
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Exclave There is no built in microphone

2019-11-18 12:44:16 Pomocny (0)
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JunhanYu it does not built in microphone.

2019-11-14 01:01:22 Pomocny (0)
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wujiahui First of all, thank you for your trust in our products. Below your question, here is my answer. 1) This product has not been tested by RoHS, so there is no certificate provided. 2) Generally, single-ended input is selected, but if differential input is required, some work needs to be done.   Method: Use two op amps, one for follow-up and one for reverse-implementation for differential input 3) The instrument uses the original IC

2019-05-12 08:34:51 Pomocny (2)
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