Specifications:
Product Name: TDA5807S FM Radio Kit
Main Control Chip: STC15 microcontroller
FM Receiver Chip: RDA5807M with 87-108MHz FM frequency range
Power Amplifier: TDA2822 integrated circuit
Working Voltage: DC 5V / 3V (dual power options)
Speaker: 0.5W, 8Ω
FM Frequency Range: 87~108MHz
Antenna Length: 84mm (extendable to 255mm)
Dimensions: 95mm x 59mm x 25mm
Weight: 150g (excluding batteries)

Note: This is an unassembled kit, you need to assemble and solder.

Features:
1. High Sensitivity FM Reception: Equipped with the RDA5807M FM chip, the product ensures excellent reception quality with minimized noise and interference, covering a comprehensive frequency range of 87-108MHz.
2. Integrated Display: The 4-digit display allows users to adjust and view FM frequencies with precision, delivering seamless user experience while offering quick frequency adjustments.
3. Dual Power Options: The device is designed to operate either on a direct 5V power source or battery-powered (requires 2 AA batteries for portability), making it versatile for at-home or on-the-go usage.
4. Customizable Volume Control: Includes both manual adjustment for initial setup and effortless volume fine-tuning with onboard controls, catering to personal listening preferences.
5. Compact and Lightweight Design: At just 95 x 59 x 25mm and 150g, this compact kit is easy to carry and saves significant space without compromising on performance.

Package Included:
1 x TDA5807S FM Radio DIY Kit
Note: Battery is not included.