1. Using ESP32-S3 main control, 1.9inch IPS high-definition color screen 2. Use SI4732 DSP chip, support full-band broadcast, LSB USB AM FM mode. 3. Built-in 800 mAh battery, battery life is about 10 hours or more. 4. Equipped with a portable loop antenna, can be used to receive 9.9K--108Mhz. 5. Shell PETG 3D printing. The small ring bb antenna supports a broad frequency range from 0.5KHz to 108MHz. It allows for directional reception, and you can rotate the antenna to find the optimal receiving angle, ensuring clear and stable signals. Master control: ESP-32-S3 Receiving frequency band: HF SW MW VHF Screen: 1.9inch Charging interface: TYPE-C (cannot use fast charging) Audio interface: 3.5mm three-band stereo Battery capacity: 800mA Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:As Shown Material:Plastic Package Contents: 1 x MINI SI4732 radio 1 x loop antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.