Light source frequency: 50HZ/60HZ

Product material: aluminum alloy/ABS engineering plastics

Size: closed crotch [80--160 catties] confidential delivery

Input interface: Type-C

The outer casing is made of aviation aluminum

D300U Section Karaoke, Universal FM Wireless Microphone Other Accessories Light source frequency: 50HZ/60HZProduct information: Color: one to one standard model, one to one Bluetooth, one to two standard model, one to two Bluetooth, Specification: English version Pickup type: moving coil Sensitivity: 35dBm 10 dynes cm2 RF range: 32. 5 MHz 694. 9MHz Number of channels: 50 (50 microphones are supported for simultaneous use without interference) Frequency response: 40Hz to 18Hz Packing list: 1 2* microphones Product Image: