Welcome to the store! (1) With 6 types of audio input (Bluetooth 5.0 / USB & U-disk / Stereo / AUX / SD Card / FM Radio) and 2 types of audio output (Stereo / 3.5mm Headphone Jack), compatible with various audio devices like phones, computers, CD players, Dots, and more. (2) Can be used as a Bluetooth or USB DAC, a preamplifier, a headphone amplifier, and an FM radio, as well as a digital music player supporting lossless formats like APE, FLAC, WAV, MP3, WMA, DTS, etc., providing a HiFi listening experience. (3) Op-amp circuit using NE5532 chip, with strong driving force, better sound quality, and warm listening experience. The noise reduction circuit is specially designed to upgrade the sound and produce no background noise. (4) Mini size and simple design but with powerful functions. The blue digital display looks more attractive. Equipped with a remote control for convenient use. Powered by micro-USB, it can be used in the car, providing listening enjoyment during your journey. Audio Input: Bluetooth, USB, SD Card, AUX, Stereo, FM Radio Audio Output: Stereo, 3.5mm Headphone Jack U-disk/SD Card Supported Formats: APE, FLAC, WAV, MP3, WMA, DTS Working Voltage: DC 5V FM Band: 87.5-108MHz Power Interface: Micro-USB Chassis Material: Aluminum Alloy Dimensions (WxLxH): 92x108x38mm / 3.62x4.25x1.49inch Net Weight: 256g / 0.56lb Package Weight: 410g / 0.90lb Color: Black Material: Metal+Plastic Due to different production batches, the appearance may vary, which does not affect usage. Package Contents: 1 x Audio Player 1 x Remote Control (without 2x AAA batteries) 1 x Bluetooth Antenna 1 x FM Antenna 1 x USB Cable (Only the above package contents are included; other products are not.) Note: Light reflections and different displays may cause the color of the item in the image to differ slightly from the real one. The allowed measurement error is +/- 1-3cm. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!