1. Using ESP32-S3 master control + SI4732 DSP chip, support full-band broadcast, LSB USB AM FM mode, support AGC/ATT function 2. Using 1.9-inch IPS high-definition color screen, support screen backlight brightness adjustment, support battery power display 3. Built-in 1W power cavity speaker, loud and pleasant sound quality 4. Support firmware upgrade, factory default built-in V1.01 latest firmware 5. Easy to operate: All actions can be performed with a single press/rotation of the rotary encoder button Built-in headphone amplifier circuit, the volume of listening with headphones is loud Built-in Hi-Z circuit can improve weak signal resolution Master control: ESP-32-S3 Working mode: FM/AM/LSB/USB (note, does not support aviation band) Receiving band: HF/SW/MW/VHF Frequency range: LW, MW,SW (150kHz - 30MHz), VHF (64-108Mhz) Screen: 1.9 inches, 170 * 320 resolution Brightness: 32-255 levels, adjustable Charging interface: TYPE-C (cannot be charged with fast charging) Audio interface: 3.5mm three-stage stereo Antenna interface: SMA-KE (inner hole) Battery capacity: 800mAh Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: As Shown Material: ABS Package Contents: 1 * DSP Radio 1 * Charging Cable 1 * Loop Antenna 1 * Telescopic Antenna