It's not just the best things that come in the smallest of packages, but the biggest of sounds too. Earin M-2 Wireless Earphones deliver exceptional audio courtesy of Knowles Balanced Armature Speakers, backed by NXP's NFMI MiGLO technology and with a choice of ear tips for a tailored fit, while the neat aluminum carrying capsule doubles as storage and an on-the-go charger.