Acoustic Bass Booster for incredible bass response, 30mm drivers for wide frequency response (5 – 22 kHz), In-line microphone for hands-free phone calling and volume control. Connectivity Technology: Wired
Compatible with Apple or Android smartphones, Free SmartKey App for customized in-line remote function
Lightweight on-the-ear design, Swivel design for portability, 47 1/4 in. (1.2m) tangle-free Y-type cord