Key Selling Points: 1. Equipped with NXP TEF6686 chip for exceptional selectivity and ultra-high sensitivity, optimized for multipath interference suppression, adjacent channel rejection, weak signal processing, and noise cancellation. 2. Supports advanced features: full RDS data display (requires radio station support), auto/manual station scanning, squelch function, battery voltage display, and station presets. 3. Based on mature TEF6686 receiver circuit design, featuring a 2.4-inch IPS LCD color screen (resistive touch) for portability and rich information display. 4. Built-in numeric keypad for quick frequency input and a 2500mAh high-capacity battery for extended usage. Dual-mode Bluetooth stereo: Receiver mode: Works as a Bluetooth speaker (connects to smartphones). Transmitter mode: Transmits radio audio to Bluetooth headphones/speakers. Paired with a 40mm long-excursion full-range speaker for powerful bass and crystal-clear treble. Specifications: Main Control Chip: ESP32-WROOM-32U Bluetooth Chip: JIELI High-Performance Bluetooth Transceiver Chip Mode: FM/SW/MW/LW Screen: 2.4-inch IPS LCD, 320x240 resolution, resistive touch Control: Numeric keypad + tuning knob Antenna: Built-in 820mm telescopic antenna, 3.5mm external antenna port Speaker: TI TPA6211A1 audio amplifier, 40mm long-excursion full-range speaker Battery: 3.7V/2500mAh polymer lithium battery Interface: Type-C (charging/data upgrade), built-in CH340 USB-to-serial chip Dimensions: 120x63x25mm (excluding antenna) Weight: Approximately 350g Note: 1. There are unknown risks involved in flashing the device. Any consequences will be borne by yourself! 2. The software version may vary for different batches of shipments Color: Silver Material: aluminum alloy Different batc