1.Mini neckband sports mp3 2.Product weight: 35g 3.Material: ABS + PE 4.Music Format: MP3 etc. Function IntroductionThis product is suitable for sports, leisure, office people, can use in travel, shopping, exercise, fitness, cycling, playing, dancing, entertainment, office and so on;Free to listen to, get rid of troubles of theline, enjoy portable, lightweight, stylish, trend, new, unique, fun, ...