DLC speaker amplifier headset

Powerful audio system, modern design, supports microphone, FM radio, SD memory, and USB. Contains a 3.5 mm AUX port compatible with smart devices and MP3 players. The SD speaker allows you to enjoy music wirelessly by connecting your smartphone via Bluetooth. Ability to control volume and music through the phone or MP3 player. Contains a wired microphone with 5 meters. Rechargeable lithium battery provides more time. Electrical voltage 5 volts, works through direct electrical connection or charging.