<p>★ Light weight: 3 pcs in total, about 12g each one, easy to carry, whether it is in any place is a very good choice, such as travel, outdoor sports, cycling, etc.<br></p> <p>★ Ear Loop: The earbands on the left and right sides are symmetrical, and The ear loop is adjustable, you could freely change its length according to your face contour, preventing leaving trace on your face after taking off.One size fits most.<br></p>