Material: Plastic<br />Size:4.2 x 2.8 x 1.3cm/ 1.6 x 1.1 x 0.5'' (L x W x H)<br />3 Types for yourchoice: Type 1｣ｬ Type 2｣ｬ Type 3<br />3 Colors for yourchoice:Black｣ｬ Pink｣ｬ Blue<br />Supported audio formats: MP3<br />Storage capacity: no memory ｣ｬ Insert TF(Mictro SD) memory cards｣ｬ mobile phones with a small memory card<br />Interface : mini USB 2.0<br />Battery Type: Built-in high-energyrechargeable lithium battery｣ｬ about 4 hours of continuous playback<br />Frequency : 20HZ-20KHZ<br />Download song: 1.plug TF card｣ｬ connectthe data cable｣ｬ the machine's switch to ON｣ｬ start the download<br />2. After the download is complete｣ｬ exit on the computer disk｣ｬ MP3removed from the data line｣ｬ the switch to OFF｣ｬ the download iscomplete.<br />Tips: This MP3 To connect the computer to find the card removabledisk<br />Product description:<br />Free to entrainment ｣ｬ simple｣ｬ elegant ｣ｬstylish.<br />Support for digital music playback MP3WMA format.<br />Can be used as a mobile flash drive｣ｬsongs or data stored anywhere.<br />Can be used for TF card reader.<br />In addition to MP3 and mobile storagedisk function.<br />Using USB 1.1/2.0 interface｣ｬ supporthot-swappable ｣ｬ plug and play.<br />No external power supply.<br />Using a variety of operating platforms.<br />The storage medium. No mechanicalcomponents ｣ｬ anti- vibration｣ｬ anti-electromagnetic interference.<br />Built-in high-energy rechargeablelithium battery｣ｬ long standby time.  Battery Description Use?Please get the goods a