-100WB PR0 is a WiFi & 5.0 Bluetooth audio source receiver decoder, which can be easily integrated into existing active speakers or amplifiers to create an intelligent audio system. Support U disk playback, Line input, support AirPlay, DLNA, for online streaming and local playback, easy to achieve WiFi multi-room control. U disk playback: support MP3/ WMA /AAC/ AAC+/ ALAC/ FLAC/ APE/ WAV and other audio formats, USB port, you can play audio files through a high-quality audio system. With WiFi 2.4G/Bluetooth 5.0/AUX input/U disk playback/Ethernet interface. Support multi-room use. Product Type: WFi&Bluetooth Module Product model: -100 pro Function description: WiFi2.4G/Bluetooth 5.0/AUX input/U disk playback/Ethernet interface Working voltage: DC5V--1000mA AUX input sensitivity (AUX OUT): less than or equal to 1V Output sensitivity (AUX OUT): 800mV (1KHz 0db) Frequency response: 20Hz-20kHz Harmonic distortion: 0.05% Signal to noise ratio: 95db Other: infrared receiver Colour: black Material: metal + PCB Size: 55x42x11mm Package Contents: 1 * Bluetooth5.0 Audio Module Only the above package content, other products are not included. Note: Light 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.