Description:The MP3 player uses high-performance rechargeable battery, which has long standby time. It uses ultra-small size and lavalier design, which can be clipped at will.You can use the MP3 player as a mobile flash drive to store MP3 songs or data anytime and anywhere. The use of hot plug and play design enables you to use easily without external power supply.Made of high-quality ABS material, it is wear-resistant and durable.The length of the product is 4.3cm, the width is 2.9cm and the height is 1.4cm.It is very suitable for students, sports, running, outdoor and travel, etc.Item Name: MP3 PlayerMaterial: ABSInteface: USB1.1/2.0Headphone Jack: 3.5mmBattery Capacity: 90mAh (Included)Supported Audio Format: MP3Memory Card Type: TF Card (TF Card Not Included)Endurance Time: 4 HoursCompatible Platforms: for Win98/SE/ME/2000/XP or AboveFeatures: Portable, Mirror, Long Standby TimeSize Details: 4.3cm x 2.9cm x 1.4cm/1.69" x 1.14" x 0.55" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x MP3 Player (Charging Cable Not Included)