Fangrui Product Details Dy-sv5w Is An Intelligent Voice Module Developed By The Division Independently. It Integrates I/o Subsection Triggering, Uart Serial Port Control, One_line Single Bus Serial Port Control. Onboard 5w Class D Amplifier Circuit And Can Directly Drive 4ohm 3~5w Speakers.support Mp3,wav Decoding Format. Max Support 32gbit(4mbyte) Tf Card Memory, Can Connect The Computer To Update Tf Card To Store Audio Files Via Usb Cable.3.5mm Audio Interface, U Disk Interface,micro-usb Download Interface, Button Module In One Module Color: Blue Material: Pcb Features: 1.support Mp3 And Wav Decoding Format. 2.support Sampling Frequency (khz) : 8/11.025/12/16/22.05/24/32/44.1/48. 3.24-bit Output, Dynamic Range Support 90db, Snr Support 85db. 4.support The Fat16/fat32 File System, With The Maximum Support 32gbit(4mbyte) Tf Card And 32gbit(4mbyte) U-disk. 5.support Uart Serial Port Control Voice Broadcast Function.it Can Control Playback, Pause, Selections, Turn Up And Down Volume And Other Functions, The Largest Selection Of