Returns accepted within 3 days, only for damaged or wrong products. Return offered in the form of Cash refund or Product exchange. Buyer is the responsible for the shipping fees.
Headphone Jack: 3.5mm stereo Jack USB data storage, supporting USB 1.1/2.0.
Support music format: MP3. External Memory: Support up to 2,4,8,16GB TF card ( Not Included). Built-in Li-ion battery, directly connect with PC for re-charging. Play time: 3-4 hours. Package: Box, MP3 Player, Headphone, Data cable, User manual. Also can be uses as USB Flash Drive (You can use it to store any data / files). No Built-in Memory. You have to use a SD card.