Features 1、Support four audio input methods: Compatible with Bluetooth reception, USB decoding playback, TF card decoding playback, 3.5mm headphone jack audio input. 2、Support playback format: MP3, WMA, WAV, FLAC. 3、Output mode: 3.5 headphone jack front output, connected to the rear amplifier audio input, can also directly drive the headphones. 4、With power isolation, support remote control. 5、5V DC powered, mobile phone charger, mobile power, computer USB port can supply power. Specification Item Type: Audio Receiver Box Model: HF54 With Remote Control Power Isolation: With Isolation Color: Blue Shell Source Input Method: 1. Compatible with Bluetooth reception 2. USB decoding playback 3. TF card decoding playback 4. 3.5mm headphone jack audio input Support Playback Format: MP3, WMA, WAV, FLAC Power Supply: 5V DC (mobile phone charger, mobile power, computer USB port can supply power) Output Mode: 3.5 headphone jack front output, connected to the rear amplifier audio input, can also directly drive the headphones Shell Material: Metal aluminum anode black + plastic frame Package List 1 x Audio Receiver Box 1 x Remote Control