Specification:
Model: DY-SV19R
Dimensions: 26mm x 23mm x 2.54mm
Weight: 2 grams
Memory: Built-in 32Mbit (4MB) flash storage for audio files
Power Output: Onboard 5W Class D amplifier for direct 4Ω~8Ω speaker drive
Control Modes: Supports Standard MP3 Mode, UART Serial, Single-Bus Trigger, and IO combination modes.
Audio Playback Capacity: Can up to 65535 tracks through UART control and up to 255 tracks with IO combination triggers.
Interface: USB port for direct audio file transfer.

Features:
1. Multiple Audio Control Options: Provides integrated one-on-one trigger, IO combination for multiple tracks, and UART-based advanced playback control.
2. High Playback Capacity: Supports playback of up to 65535 audio files in UART mode and 8 tracks directly via independent IO.
3. Built-in Flash Storage: Equipped with internal 32Mbit flash for reliable storage of audio files without the need for external memory.
4. Direct Speaker Connection: Includes a built-in 5W amplifier for direct connection to speakers with 4Ω~8Ω impedance.
5. USB Audio Transfer: Allows direct connection to a computer via USB for convenient audio file management.
6. Adjustable Volume Control: Supports external volume control through a potentiometer connection.

Package Includes:
1 x DY-SV19R Voice Playing Module