BigJigs Signal Box Expansion Train Track Premium design:Ergonomic and ultra-lightweight in-ear design with solid sound-insulating material reduces external noise while minimizing the sound leakage, giving you stunning sound. High quality built-in design: Built-in premium Shockproof membrane and Sound units, have a better sensitivity and noise reduction than traditional headphones, can drive out good sound quality even using ordinary device. Compatibility: Ideal for All 6S/6/Plus/ SE/5S/5C/5, S7/S6/Edge, Google, Nexus 6P/5X, HTC One, Nokia, Motorola, Windows , Tablet, , , MP4/MP3, Laptop Computer and more devices compatible with 3.15mm headphones. Humanized function: Allow hands-free calls while driving or music streaming without having to control through your phone or electronic device; In-line remote control with Play/Pause, Hands-Free Calling, Next/Previous music function.The Microphone is perfectly positioned to enable you to speak without having to move your head. What you get:2 pack) 3.5mm aux headphones, 22-months warranty from .