1.No internal memory
2.USB data storage, supporting USB 2.0.
3.Support music format: MP3.
4.External Memory: Support up to 8GB TF card ( Not Included)
5.Play time: 3-4 hours. Charging time : About 2~ 3 hours
6.Directly upload or download the MP3 files into Micro SD / TF Card
7. Built-in Li-ion battery, directly connect with PC for re-charging via USB port
•Package included: 1pcs MP3
