Professional Acoustic Design. Using the principle of professional audio, Pick up one of the high-pitched pronunciation (9mm) driver + 1 low frequency (7mm) driver open-train double dynamic structure. Let you have the feeling of being in a concert.
High Sound Quality. For those who enjoy both music and exercise, allow the EN303’s to be your sports companion with their superb quality sound. These sports headphones come with 4 ear piece sizes to ensure a custom comfortable fit, sealing the ear to deliver bass and isolate noises.
Excellent Detachable Design. The ear buds size are smaller than other earhook headphones. You don’t have to stretch your ear to put earbuds in ears. They can fit in and over small-average sized ears with no pain. High quality gold-plated MMCX connector between ear head and cable. so in the event cable were to fray or break, you need only to replace the cable or a new pair of ear heads.