About this item COMPATIBILITY: Memory foam tips for various earbud models; Provide comfortable and secure in-ear fit; Wont interfere with charging ULTRA COMFY: Custom fit for all-day comfort; Work all day, play all night with body-heat activated memory foam that adapts and molds to your ear for a completely customized fit and hours of comfortable listening STAYS IN PLACE: Secure fit and no more lost earbuds; engineered to be the perfect length and shape for optimal in-ear fit, these tips stay securely in your ear, whether youre pounding the pavement or grooving to the music BIG VIBRANT SOUND: Superior sound; Block exterior noise and enhance your base creating an exceptional audio experience whether youre concentrating on a call or cranking the tunes Size: 0.5 x 0.5 x 0.5 inches