DIY 4M Voice Prompter MP3 Audio Playback Module 3W Waterproof Speaker Repeat/Single Play/Next Track 3 Modes Volume Knob DC/USB

Features:1. Multiple specifications to choose from, high-quality materials, stable and reliable, not picky about the environment.2.4M memory with large capacity storage, supporting multiple voice segments to meet diverse playback needs.3.3W waterproof speaker, with transparent and bright sound quality, performs excellently both outdoors and indoors.4. Multiple playback modes to choose from, loop/single/next track, flexible adaptation to the scene.5. Adjust the volume knob clockwise to increase and counterclockwise to decrease, with intuitive and convenient operation.Parameters:Working voltage:5V DC version: 5VUSB version: 5V35VDC version: 6-35VWorking current: 1A and aboveOutput power: 3W (MAX)Frequency response: 500Hz-16KHzStorage space: 4M bytes (32Mbits)Play mode:Loop playback: Power on and start playing stored music in a loop from scratchPlay once: Power on and start playing stored music from scratch before stoppingPlay the next song: Power on and play the next music. Stop after playing the musicPackage Include:1*voice prompt device