The product is a set of 5 Sennheiser HDI830 microphone receivers with a charging dock, tested and seems to be in working condition. 

Comes with 5 microphone receivers, charging dock and adapter.

These receivers are designed specifically for use with microphones, offering a reliable and professional audio solution for musical instruments and gear. With the trusted Sennheiser brand, you can ensure high-quality sound and performance for your audio recording or live performance needs.

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