About this item 3.5mm Headphones with Mic: 3.5mm jack earbuds compatible with Chromebook, Laptop, PC, mobile devices, tablets, and various smartphone models. Magnetic Earbuds: Built-in powerful magnet on the back of the earbuds allows for easy rolling and tangle-free storage during daily use. Ergonomic design ensures a comfortable fit in the ear, preventing them from falling out during activities. Wired Earbuds with Mic and Volume Control: Offers superior ambient noise isolation, maximizing sound output while minimizing outside noise for high fidelity sound quality. In Ear Headphones Sport Earbuds: Hands-free in-line microphone and remote control design allows you to answer or reject calls, adjust volume, and skip songs while on the go. Convenient for use during commuting or exercising. Product dimensions: 7.5 x 4.2 x 1.3 inches.