"Bello Digital Precision Bass Earbud Headphone may be small, but it produces a much bigger sound than you would expect. It is made with 99% Oxygen free copper wire, which provides extraordinary signal transfer resulting in amazing sound. With a lightweight design using low mass metal and polymer construction, the Bello Digital Precision Bass Earbud Headphones delivers great sound performance. Bello Digital Precision Bass Earbud Headphones feature precision bass, a 24K Gold-plated plug that assures optimal connectivity, and a premium strain relief, fabric reinforced cable for strength that is engineered to be durable, flexible, lightweight, and tangle-free. For superior comfort and performance for all different ear types, the Bello Digital Precision Bass Earbud Headphones include three custom fit earbuds. Built to last, and fit comfortably in your ear the Bello Digital Precision Bass Earbud Headphones are perfect for when you are out for a walk, jogging, running errands, or simply lounging at home! Materials: Plastic Dimensions: 6.25""""L x 4.88""""W x 1.13""""H Weight: 0.3 lbs."