Item Type: Audio Decoder <br>Material: Aluminum Alloy <br>Product Model: YQ-31 <br>Bluetooth Version: 5.0 <br>Bluetooth Protocol: A2DP, AVRCP, PBAP <br>U Disk Input: FAT32 Up to 32G <br>Music Format: MP3, WAV, WMA, APE, FLAC, SBC <br>Signal to Noise Ratio: ≥90dB <br>DAC SNR: 96dB <br>Frequency Response: 20Hz-20kHz <br>Sound Effect Mode: Rock, Jazz, Classical, Country <br>Button Battery for Remote Control: One CR2025 (Included) <br>Battery Capacity: 100mAh1、Made of aluminum alloy, corrosion resistance, high strength, sturdy and durable. <br>2、Powerful, stable and reliable, high chip integration, support MP3, WAV, WMA, APE and other audio formats. <br>3、Bluetooth, USB, digital to analog conversion and transmission to ordinary speakers for playback, upgraded use of ordinary speakers. <br>4、You can use the remote control to play or pause, switch the previous song and the next song. <br>5、Suitable for home theater, U disk music, home K song, mobile phone music and other scenes.1 x&nbsp;Audio Decoder<p>1 x&nbsp;Bluetooth Antenna</p><p>1 x Charging Cable</p><p>1 x Optical Audio Cable</p><p>1 x Instruction Book</p><p>1 x Remote Control</p>