Karaoke USA Professional WM900 900 MHz UHF Wireless Microphone,Black
Effective Range: 150 Feet. 902 MHz-928 MHz UHF (Ultra High Frequency) Wireless Microphone with Durable Metal Body and Grill. Receiver Has Built-in Li-ion Rechargeable Battery Cell (Charging Cable Included). Up To 20 Unique Selectable UHF Frequencies and 16 Bit Digital Pilot ID for Fast and Accurate Pairing.