Free Yourself From Cables with Our New Bluetooth Earbuds, Compatible with All Devices That Have Bluetooth Connectivity! Each Earbud has a 17Mm Head, But We Know That Everyones Ears Are Different, So We Have Three Different Sizes of Cover You to Choose From; 10Mm, 12Mm, & 14Mm. Simply Fit These Snugly Over the Head & See Which One Fits! Using the Features on the Function Console, You Can Control Your Music, Answer the Phone, & Change the Volume! with a Cordless Range of Up to 10 Metres & a Talking Time of 3 Hours, These Bluetooth Earbuds Are Simply Brilliant. Print Your Branding on Both the Buds & the Box, Meaning That Your Brand Will Always be on Show! Minimum Quantities Apply.