Yoidesu MINI Si4732 Receiver with Headphone Amplifier Full - Band DSP Radio, 1.9inch HD Color IPS Screen Portable AM FM Radios Receiver for Walking Hiking Camping

Specification: Item Type: SI4732 Radio Model (Hardware Version): V4 Shell Material: ABS Injection Main Control: Support for ESP-32-S3 Operating Mode: FM/AM/LSB/USB (Note: Not Support Aviation Band) Receiving Frequency Range: HF/SW/MW/VHF Frequency Range: LW, MW, SW (150kHz-30MHz), VHF (64-108Mhz) Screen: 1.9 Inch, 170x320 Resolution Screen Brightness: 32-255 Levels, Adjustable Charging Port: TYPE C (Do Not Charge with Quick Charger) Audio Port: 3.5mm Three Segment Stereo Antenna Port: SMA-KE (Inner Hole) Battery: Rechargeable Li Battery 800mah x 1 (Built in) Loop Antenna Specification: 10KHz-180MHz How to Use: Upgrade Content of V4: 1. The Si4732 receiving part has added a shielding cover to suppress electromagnetic interference; the antenna input terminal has added ESD to guard the chip safety. 2. The Hi-Z circuit has been changed to the antenna pathway front end, and a more stable VCC_RADIO is used to maintain signal resonance and reduce noise. 3. Added the function of using wired earphones as an FM antenna (earphones are not included, please bring your own; it is recommended to use in an environment with strong FM signal, and the earphone wire needs to be long for better performance). 4. The left and right channels have been swapped; at the same time, the amplifier and speaker parameters have been readjusted to improve sound quality. 5. Replaced with more premium accessories: a more sturdy telescopic antenna and a knob cap with better grip. Package List: 1 x Receiver​ 1 x Loop Antenna 1 x Telescopic Antenna 1 x User Manual 1 x USB Cable Notice: Due to frequent firmware updates, please update the latest firmware promptly according to the instructions to maintain the latest user experience.

• 【SI4732 Radio】: This radio receiver adopts SI4732 digital signal processing chip, supports all band broadcast, supports LSB USB AM FM working modes, supports AGC ATT functions.
• 【IPS Color Screen】: The radio receiver adopts 1.9 inch IPS high definition color screen, supports screen backlit brightness adjustment, supports battery level display.
• 【1W Speaker】: The full band radio receiver is equipped with built in 1W power cavity speaker, providing a loud and pleasant sound quality.
• 【Multi Functional】: The portable radio receiver has built in earphone amplifier circuit for loud earphone listening and Hi-Z circuit for enhanced weak signal resolution.
• 【Support Firmware Upgrade】: The radio receiver supports upgrading to the latest firmware, with a factory default firmware version of at least VER.2.3.1.