Ergoguys CA-2 30-Piece Individual Storage Stereo Headphones with Carrying Case CA2-30 Review Posted on March 5, 2018June 25, 2018 by FancyPygmy 30PK CALIFONE CA2-30 CA-2 HEADPHONE W/ 2001 CASE VIA ERGOGUYS.Earpiece Design: Over-the-head|Earpiece Type: Binaural|Connectivity Technology: Wired