Tuner-only device that requires connection to an amplifier and speakers for use. Equipped with a high-quality automotive-grade S14730 professional radio chip for clear reception. Supports automatic station scanning, manual frequency selection, and manual station saving. Digital display and easy-to-use rotary encoder knob for seamless tuning. Housed in a durable aluminum alloy casing, powered via Type-C USB interface, and features memory function retention. This is a tuner-only device without built-in speakers. It must be connected to an amplifier, which then connects to speakers for normal use. Includes a DC 5V power adapter. The unit powers on when connected to electricity and turns off when disconnected. Equipped with a high-quality automotive-grade S14730 professional radio chip (delivering clear reception comparable to car radio systems). Tuner Frequency Ranges: 87-108 MHz 76-108 MHz 64-108 MHz Operation: Buttons + Rotary Encoder Input Voltage: AC 100-240V Operating Voltage: DC 5V 200mA Dimensions: 77x74x33 mm Color: As Shown Material: Aluminum Alloy Package Contents: 1 set * FM Tuner 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.