【Knowles Acoustics】BT-21759-000,MIC ELECTRET OMNI TOP PORT SMD
【Knowles Acoustics】BT-21759-134,麦克风
BT217S,FIBER BT217S
【Knowles Acoustics】BT-21834-000,麦克风
【Knowles Acoustics】BT-21835,MIC ELECTRET SKI SLOPE SMD
【Knowles Acoustics】BT-21835-000,麦克风
BT218SM900,FIBER BT218SM900
BT21S,FIBER BT21S