suitable for SI4732 Radio Receiver 9.9KHz-181MHz Portable Shortwave Radio Receiver SW LW AM FM SSB Mini SI4732 Radio-CHENG DU SI XI 1. Using ESP32-S3 main control, 1.9inch IPS high-definition color screen 2. Use SI4732 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 antenna supports a broad frequency range from 9.9KHz to 181MHz. 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 Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:White 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. Please pay attention to the title and description when buying, and pay attention to the title and description when buying.