JBL Quantum 50 Gaming In Ear Headset - Black Every sound matters, and with JBL QuantumSOUND Signature, hear enemies (and friends) like never before. Made for mobile, but get your game on any way you like with all-platform compatibility. With Twistlock technology giving you comfort and stability, take a seat—you’re in this for the long haul. Stay focused on beating the boss, with a full-featured inline controller with separated volume slider and mic mute, and a multi-function button to manage calls and music. Choose the color that matches your vibe. Clear sound means a clear head.