CHICIRISm5v934g76d 3.5mm-Mini-Jack Microphone

Spec: Item Type: Microphone Amplifier Product Material: ABS, aluminium alloy. Power Supply: DC 5V Interface: Approx. 3.5mm / 0.14in Battery: 250mAh 502030 li battery, with built in battery. Package List: 1 x Microphone Amplifier 1 x Power Cord 1 x Headphone Cable How To Use: Plug and play. Note: The product is only suitable for 3.5mm electret (2 pole, 3 pole) condenser microphone, and the REC port is a recording interface, which needs to be connected with a red cable to the product and recording equipment for recording, and is not used for directly inserting the microphone to output sound.