HamGeek HT5280 Multifunctional Internet Radio Portable Handheld FM/LW/MW/SW/OIRT Mobile Radio with 2-Inch Display

Introduction:
- HT5280 is a multifunction internet radio designed for handheld and mobile use. It combines internet radio, multi-band AM/FM reception, USB music playback, USB audio for a computer, weather, and a clock. It is operated with a color LCD and a rotary encoder, and supports multiple languages and display themes.

Features:
- 3P external control port: timed on/off of an external device (pin H), and FM squelch-level control of an external device (pin M).
- 8-tile Home: open Internet Radio, FM Radio, Settings, USB Audio, PC Config, Weather, Clock, and USB Playback from one screen.
- Internet radio: custom station list, equalizer, background playback, spectrum display.
- Multi-band radio: professional tuner IC; FM / MW / SW and other bands; background playback; squelch threshold output.
- USB MP3: folder browsing, lyrics, repeat modes, equalizer.
- USB audio: play computer system sound over USB.
- PC configuration tool: manage Wi-Fi, stations, weather, and firmware updates on a computer.
- Weather and clock: online weather; perpetual calendar, NTP time sync, timed power on/off, and screensaver.
- Controls: rotary encoder (rotate / short press / double-click / long press) + power key long-press to shut down.

Specifications:
- Main MCU: ESP32-S3 series
- Display: approx. 2-inch color TFT, 320x240 (landscape)
- Radio: TEF6686 multi-band tuner
- Audio output: digital decoder + amplifier; headphone-detect prompt
- Power: built-in lithium battery; charge-management IC indicates charging / full
- USB: single port: firmware update / USB drive / PC config / USB audio (time-shared)
- External control: 3P header: H (timer/power level) + M (squelch level) + G (ground)
- Controls: rotary encoder, power key
- Volume: on-screen levels 0-30

Package Included:
- 1 x Internet Radio