1. Utilizes the ESP32-S3 controller and SI4732 chip, supporting full-band broadcasting, LSB USB AM/FM mode, and AGC/ATT. 2. 1.9-inch IPS HD color screen with adjustable backlight and battery level display. 3. Built-in 5W cavity speaker for loud and pleasant sound quality. 4. Firmware upgradeable, default firmware is at least Version 2.30. 5. Convenient operation: All actions are performed with a single /turn of the rotary encoder. 6. Built-in headphone amplifier circuitry ensures loud listening with headphones. 7. Built-in Hi-Z circuitry improves weak signal resolution. 8. housing design with a groove on the side for easy installation of the telescopic antenna. Controller: ESP-32-S3 Operating modes: FM/AM/LSB/USB (note: does not support the aviation band) Receiving bands: HF/SW/MW/VHF Frequency Range: LW, MW, SW (150kHz - 30MHz), VHF (64-108MHz) Screen: 1.9-inch, 170 * 320 resolution Brightness: Adjustable from 32 to 255 levels Charging Port: Type-C (Cannot be with Fast Charge) Audio Port: 3.5mm three-way stereo Antenna Port: SMA-KE (female) Battery Capacity: 3000mAh Dimensions: 80 x 88 x 25mm (excluding protrusions) Color: Black Material: ABS Package Contents: 1 * SI4732 Radio 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.