XVive U35 Microphone Wireless System, 5.8 GHz - Receiver, spare receiver unit for XVive U35 Microphone Wireless System, for use with dynamic microphones, built-in rechargeable lithium battery , range up to 30 m / 100 ft. (without obstacles), frequency range 20 Hz - 20 kHz , < 5 ms latency, 6 switchable channels, 24 bit / 48 kHz A/D converter, 5.8 GHz ISM worldwide operating band, 110 dB of dynamic range, signal to noise ration 110 dB, operates up to 5 hours per battery charge, Power switch, channel selector button for scrolling through channels, durable ABS composite housing, USB Type-C charging port, black, weight ca. 95 g / 0.2 lbs