This portable radio receiver supports FM, AM (MW and SW), and SSB (LSB and USB) bands with pre-configured 22 commercial and ham radio bands. Features include audio bandwidth filters (0.5-4KHz), BFO control, and a frequency step switch (1, 5, 10KHz). The device uses a 3.6V lithium battery, supports USB charging, and includes a 3.5mm headset audio output with an 8-ohm speaker output (1W). The PCB retains the SI4732 package, allowing chip replacement and software compatibility. Dimensions: 88x88x38mm. Includes radio receiver, antenna, and C-type charging cable.