The Spartan Gear - Alcman Large 2.0 are the new wireless Bluetooth and wired Auxiliary (3,5mm) Speakers you need! With adjustable RGB lighting and fancy design, to enjoy epic battles or endless music! Just connect the USB plug with a PC or power bank for power supply. Then connect your PC or mobile device with the 3.5mm jack or wirelessly via Bluetooth for audio input and immerse yourself in the rich sound of music, movies and gaming! They are suitable for your home, office, school and any other place, while it could also be a great gift for your friends or family!