Ujjdwiurgh DIY FM Radio DIY FM Radio Electronic Kit 87-108MHZ FM Radio DIY Kit DIY Soldering Project Practice Solder

4. There are 15 sound levels to adjust, which can be adjusted to a sound that satisfies you. 2. Paired with RDA5807 radio module, it has the advantages of noise cancellation, enhancement, high sensitivity, low noise, and strong anti-interference ability. 3. the button to adjust, switch channels, increase or decrease volume, clear all channels, and search and save channels again. 1. Easy to operate and weld, paired with a 4Ω 3W speaker for better sound quality. 5. The LED light displays the operational status.