Drawing on expertise learned from building some of the finest loudspeakers in the world, JBL engineers created lightweight, comfortable headphones that deliver signature JBL sound. The J33i's premium drivers generate high sensitivity, extended frequency response and pure bass that is deep, powerful and accurate. So you hear the truth from your favorite music. Angled strain relief buckles reduce resonance and three pairs of silicone sleeves are included for optimal comfort and noise reduction. An in-line microphone lets you take calls without taking the headphones off. With bold styling, J33i in-ear headphones excel aesthetically as well as acoustically Premium noise-isolating, in-ear headphones with nickel-plated drivers, tangle-resistant cable with Apple-compatible mic/remote control and silicone tips in three sizes. • Dig the deep, accurate JBL® Pure Bass in your face thanks to the premium nickel-plated drivers working in concert with the housings. • Experience an audiophile-level acoustic concert in your ears from the closed-back design and slip-resistant silicone tips • Never lose the beat. The convenient three-button remote control with microphone allows you to answer calls then returns you to your music. Drawing on expertise learned from building some of the finest loudspeakers in the world, JBL engineers created lightweight, comfortable headphones that deliver signature JBL sound. The J33i’s premium drivers generate high sensitivity, extended frequency response and pure bass that is deep, powerful and accurate. So you hear the truth from your favorite music. Angled strain relief buckles reduce resonance and three pairs of silicone sleeves are included for optimal comfort and noise reduction. An in-line microphone lets you take calls without taking the headphones off. With bold styling, J33i in-ear headphones excel aesthetically as well as acoustically.Headphones, like the music they deliver, are an extension of your personal style. With spotlighted, metal alloy housing rims and strain relief buckles, matte black or white housings and embossed, metallic JBL logos, J33i headphones let you listen with style.JBL drivers deliver precise, powerful sound for an exceptional listening experience. Bass is pure, deep and accurately produced – the calling card of legendary JBL sound. This pure bass is what enables J33is to outperform competitors’ products.Made specifically for use with iPhone and iPod devices, the in-line remote offers familiar audio playback controls. A built-in microphone lets you answer calls while leaving the headphones on.Ears come in all shapes and sizes. So we include three pairs of silicone sleeves: small, medium and large. An optimal fit not only increases comfort, it also reduces ambient noise in the ear canal.Comply tips are a one-size-fits-all option to silicone sleeves. They offer a comfortable fit and noise reduction. A pair of the moldable foam tips is included with the headphones.Tangled cables are a constant source of frustration. Unless you have J33is. Their flat elastomer cables resist tangling and a rubber slider keeps the cables neatly organized. JBL J33i headphones feature durable, angled strain relief buckles that not only help keep the cables off your ears, but also dampen vibration for enhanced acoustic performance.The gold-plated jack incorporates an extension ring that works with most custom smartphone covers and cases. So you don’t have to slip off your protective case to connect the headphones.JBL sound is always worth protecting. An included hard-form carry pouch stores the extra silicone sleeves and keeps the headphones safe from bumps and bruises.Spec SheetEven if you’ve never owned a JBL® product, you’ve almost certainly heard the JBL sound. It rings out loud and clear from the massive JBL loudspeaker arrays that hang in stadiums, sports arenas and concert venues everywhere. It literally surrounds you in more than 50 percent of all movie theaters worldwide, including many with THX® certification (a standard of realism that JBL engineering helped pioneer in 1983). Chances are, many of your favorite songs and movie soundtracks were mixed and mastered on JBL studio monitors – they’ve been the choice of audio professionals for more than 60 years. But you don’t have to venture far from home to experience the legendary power, clarity and technical accuracy of the JBL sound. It’s available in exceptional home entertainment systems that incorporate many of the same advanced technologies, materials and manufacturing techniques that we originally developed for professional systems. It’s even available in lightweight, portable packages that you and your friends can enjoy anywhere.