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Customer Reviews: Shure BLX14/SM31 (512-542 MHz, Band H9) Fitness headset system: includes headworn microphone, bodypack transmitter, and receiver at Crutchfield
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Amazon.com: Shure AONIC 40 Over Ear Wireless Bluetooth Noise Cancelling Headphones with Microphone, Studio-Quality Sound, 25 Hour Battery Life, Fingertip Controls, iPhone & Android Compatible - White : Electronics
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