📡 Reception Bands and Frequencies Comprehensive Coverage: Supports FM, Shortwave (SW), Medium Wave (MW/AM), and Long Wave (LW). Single Sideband (SSB) Reception: Allows you to receive amateur radio and marine communications in both (USB / LSB) modes with very fine tuning up to 10 Hz. Digital Signal Processing (DSP) Technology: Equipped with triple conversion technology for AM signals and interference cancellation, providing superior sensitivity and selectivity for capturing distant and weak stations. 🔊 Audio and Media Dual Speakers: Features a stereo sound system with two built-in speakers powered by a Class AB amplifier. Dedicated Audio Control: Independent side knobs for controlling Bass and Treble amplification levels to adjust the sound tone as desired. MP3 Player: Includes a MicroSD card slot for playing various audio formats like MP3, WAV, and high-quality FLAC. Bluetooth Connectivity: Can be paired with a phone as a wireless speaker for playing audio. 🔋 Power and Battery Dual Battery System: Operates on two 18650 lithium batteries. Independent Switching Key: Consumes power from one battery (A), and when it runs out, you can mechanically switch to the other battery (B) to continue listening, with the feature of internal battery charging.