Product Features: 1. car grade Sl4730 professional radio chip from the (with the same clear sound effect as a car radio) 2. Three frequency options, globally applicable 3. Automatic channel search, manual frequency selection, manual channel storage 4. Digital display screen, encoder knob selection 5. Type-C USB interface power supply. Aluminum alloy shell Product Introduction: This is a radio head that does not have a speaker. It needs to be connected to an amplifier and then to a speaker in order to function properly. This device is powered on and off, with memory, stereo sound, home use, amplifier, CD player, digital broadcast, and must use this radio head. People born in the 1960s and 1970s like it Product Features:Panel Introduction: 1.Rotation: Adjusting the Stage/Volume Short : Enter the volume adjustment function Long : Enter manual frequency adjustment (after selecting the frequency, short the VHF key to save the radio station) 2.Long : Automatic channel search Short : The display light is on for 6 seconds 3.Short : Manually save radio station Long to select country frequency: 87-108MHz; 76-108MHz; 64-108MHz (Note: There are a total of three sets of frequencies, globally applicable) Product model: 5300 Radio head: frequency 87-108MHz, 76-108MHz, 64-108MHz Output interface: 3.5MM audio interface Operation mode: button+rotary encoder Power supply: DC 5V 200mA (200mA or above) Product dimensions: length 77 x width 74 x height 33mm Color: Black Material: Aluminum Alloy Due to different product batches, the appearance , but it not affect the use Package Contents: 1 x Hifi Mini Digital FM Stereo Radio Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.