Description: brand new and high quality DY-SV8F is an intelligent voice playback module, integrated IO segment trigger, UART serial port control, ONE_line single bus serial port control, standard MP3 and other 7 working modes, simple dial switch setting; onboard 5W class D amplifier Drive 4, 3 ~ 5W speakers; support MP3, WAV decoding format, onboard 64Mbit (8M bytes) Flash storage, you can connect the computer via USB data cable to update Flash storage audio files Features: Product Features: Support MP3, WAV decoding format. Support sampling rate (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48. 24-bit DAC output, dynamic range support 90dB, signal-to-noise ratio support 85dB. Onboard 64Mbit (8M bytes) FLASH memory, no memory card required. With 5W Class D amplifier, it can directly drive 4, 3 ~ 5W speakers. The UART serial port controls the voice broadcast function, which can control the functions of playback, pause, song selection, volume increase and decrease, etc., the maximum selection of 65535 tracks, the baud rate of 9600 bit / s. Support IO trigger for play function, 8 IO ports individually trigger 8 tracks or 8 IO ports combination trigger 255 tracks. Support One_line single bus serial port control, which can control for play, pause, song selection, volume increase and decrease functions. It supports 3 configuration IO for up to 7 working mode selections, DIP switch settings, and simple operation. Player module only, other accessories demo in the picture is not included. Specification: Type: Player Module Model: DY-SV8F Dimension: app.4x4cm/1.57x1.57in Color: Blue Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Player Module