Features:Trendy shell, innovative lavalier design, ultra-small size. Weighing less than 30 grams, you can clip it at will. Simple, refined and stylish.Support digital music playback in a variety of MP3 music formats.It can be used as a mobile flash drive to store MP3 songs or data anytime, anywhere.Can be used as a TF card reader.It also has the functions of MP3 and mobile storage disk.USB1.1/2.0 interface, hot swappable, both plug and playNo external power supply requiredUse a variety of operating platforms WIN98/SE/ME/2000/XP.LIUXCORE2.4 and above.Storage medium. No mechanical parts, anti-vibration, anti-electromagnetic interference.Built-in high-energy rechargeable lithium battery for long standby time.Stylish and compact shape design, beautiful workmanship and exquisite gifts.Specification:Size: 4.2*2.9*1.4cmMemory card type: TF cardExpansion card: supportInterface: USB 2.0Headphone jack: 3.5mmColor:pink/black/red/blue/greenPackage included:1 x MP3 PlayerNotes:1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the same style as shown in the pictures.2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!