Features

• MP3 Support: Plays MP3 format audio files automatically.
• LED Indicator: Red LED flashes during playback.
• Storage Compatibility: Supports U disks (up to 32GB) and TF cards (up to 16GB) by default.
• User Controls: Adjustable buttons for song selection, volume, pause/play, and mode switching.
• Sound Quality: Superior audio output for messages, warnings, etc.
• Amplification: Onboard 2W mono amplifier (up to 3W at 5V).
• Output Options: 3.5mm gold-plated headphone jack for headphones or external audio.
• Power: Compatible with mobile power, 3.7V lithium batteries, or USB 5V.
• Connectivity: MicroUSB port for power and data transfer.
• Play Modes: Supports TF card and U disk playback.
• Applications: Public Announcements, Warning Systems, Entertainment