Used U3 Microphone Wireless System.
Used in home studio about 5 times. Primarily kept for a backup system but never needed it.
U3 Complete Dynamic System
High-fidelity plug-and-play wireless system for dynamic microphones
24-bit / 48 kHz digital audio with low distortion and wide frequency response
Stable 2.4 GHz wireless connection with a range of up to 90 feet
Model Number: U3