FM Radio Transmitter V2.0 70-108MHz Module
It is designed audio interface, and used for microphone or audio signal cable.
• It is voltage chip, the voltage is wide and stability.
• It is convenient for set frequent and input signal with five buttons.
• The input audio signal amplitude adjustment and microphone sensitivity adjustment.
• FM wireless microphone audio stereo - forwarding FM radio small power.
• I2C interface 5V TTL compatible
• Onboard MIC
• VCC Input: 3.0V ~ 5.0V