Features: The Electronic Solder DIY Kit are used to installed to a FṂ radio (87-108MHz). You will own a FṂ Stereo which have excellent sound quality, stable performances and cool appearance when you finish project. With a 3.5mm port.Whether you're tunings into your favorite talk show, catching up on the news, simply enjoyings some music, the headphones port provides a listenings experience that is perfect for any situation. Functions & Features: FṂ 87-108MHz, work voltage: DC3V/5V, Digital display, easy to adjust and use. Double powersupply: 5v mobile phone charge powersupply , 2x dry batteries（without batteries） These DIY electronic kit are suitable for electronics enthusiasts and learners who enjoy assembling and debugging electronic projects. They provide a hands-on experience, allowing users to knowledge in radio principle, circuit design, and tunings techniques. Specifications: Material:ABS,Acrylic Powersupply voltage: DC5V/3V Radio frequency range: 87~108MHz Type:with Acrylic Case,without Acrylic Case Size:Approx.90mm/3.54''x60mm/2.36'' Package Includes: 1Set FM Radio Kit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.