BSE-10, In-Ear headphones with new Balanced Membrane technology! We introduce the new unique Balanced Membrane (BM) technology from South Korean BSE Co Ltd. The BSE-10 headphones have a hybrid element with a BM-Tweeter and a 10 mm Woofer that delivers incredibly good and affordable sound. "...I can't think of any other earplugs for the same price* that sound better." Ljud&Bild *) BSE-10 + HYPƐAR™Sonic Budget = 1594 SEK With microphone and 3-button control. 30-day open purchase.