Voice Amplifier Microphone Wired Coaches Bluetooth Speaker Megaphone Teaching Guide USB Charging Black European regulations

Description

- Auto detect U disk / TF card insertion and auto play. - Fully compatible with USB 1.1/2.0 U disk, USB host mode play.- Support card reader, compatible with memory Card / Multi Media Card.- Support mp3, MPEG 1, 2, 2.5, layer3.- Loop play (one song / all).