About this item🎧 EASY TO CARRY: The MP3 portable music player wights about 47g/1.7oz. It is light in weight, small in size, and easy to carry. You can wear it when you are out for activities. It will not take up much space.🎧 BACK‑CLIP: The mini MP3 back‑clip player adopts a back clip design, you can fix it on your clothes or equipment, which is convenient for you to use when traveling, and you can also use it during exercise.🎧 Memory Card: The mini music player has a memory card slot, you can use the memory card to store more music, it supports the maximum expansion of 8GB, large storage space, you can use it with confidence. Are.🎧 DURABLE MATERIAL: The MP3 player is made of high quality aluminum alloy, which has better durability and can be used for a long time without being easily damaged and has a longer service life.🎧 LONG BATTERY LIFE: The MP3 player has a long battery life and can play for more than 2.5 hours without frequent charging, which is very convenient for users.