Specification Product Name 2 8 inch TFT color screen Bluetooth lossless audio player decoder boardColors Black SilverScreen Specifications 2 8 inch 320 240 pixel IPS screenBluetooth Name Bluetooth Audio user configurable Bluetooth Version V5 3 smartphone smartphoneBluetooth Reception Range Approximately 10 metersAudio DAC Hardware Bit Width 24 bitNumber of Output Audio Channels 2Channel Output Audio Signal Level 2 8Vp pAudio Output Signal to Noise Ratio SNR104dBAudio Output Signal Power 50mW supports direct headphone operation external amplifier required for speaker operation Operating Voltage 4 5 5 0V regulated power supply required Standby Current 20mAOperating Current 30 180mA mainboard operating current only power consumption varies depending on state does not include peripheral current Introduction 1 This product is a multifunctional high fidelity stereo audio decoder board that integrates Bluetooth audio decoding TF card and USB flash drive music file decoding computer USB sound card and LINE input 2 The front panel is made of aluminum alloy and features a 2 8 inch 320 240 pixel IPS color screen to display playback status and decoding information It also supports analog audio and digital audio I2S output 3 The 3 5mm stereo line in jack is used to input line in audio signals from mobile phones computers MP3 players and other devices 4 The built in equalizer has 7 preset EQ scenes and 1 custom EQ scene allowing you to adjust the sou