-100WB is a WiFi & 5.0 Bluetooth audio source receiving decoder, which can be easily integrated into existing active speakers or amplifiers to create an intelligent audio system. Diverse functions, rich content, simple operation, can be easily integrated into existing active speakers or power amplifiers, so that traditional speakers can be upgraded to smart speakers to create a smart audio system. -100WB uses the latest WiFi streaming audio technology and can support 24bit/192kHz and common lossless audio formats, such as FLAC, WAV, AAC, APE, WMA, MP3, FLAC4, WAV, etc. Support AirPlay, DLNA, online streaming and local playback, easy to achieve WiFi multi-room control. It can turn traditional wired speakers into wireless smart speakers. Product type: WiFi&Bluetooth module Model: -100WB Function description: WiFi 2.4G/ Bluetooth5.0 Working voltage: DC5v-1A Output sensitivity: 800mv (1kHz 0db) Frequency response: 20Hz-20kHz Harmonic distortion: 0.01% Signal to noise ratio: 95db Colour: black Material: PCB+metal Size: 5.5x4.2cm Package Contents: 1 * 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.