Feature 
<br />1  the appearance of the use of lightweight sports design, hanging after wearing, unique design novel
<br />2 portable, lightweight, sporty shape design, sports, leisure, office can be free to listen
<br />3  support files: MP3, WMA
<br />4  high-quality speakers and sound chamber design, to ensure high-fidelity, sound quality effect
<br />5  the volume is continuously adjustable, play the state of free transformation
<br />Specifications 
<br />1, USB interface: high-speed USB 2.0; iPod headset can be charged and transfer files
<br />2, memory capacity: no memory, is the card type, the maximum support 8GB, adapter TF card / micro sd card
<br />3, the charging power: computer USB port DC 5V; DC 5C (500mA) travel charger; DC 5V (500mA) car charger
<br />4, battery: DC 3.7V; rechargeable lithium-ion polymer battery
<br />5, continuous working hours: about 4 hours; (due to the use of different things have changed)
<br />6, charging time: about 2-3 hours; (due to the use of different charging equipment has changed); charging time to remember not more than 3 hours
<br />7, the frequency response: 20Hz-20KHz
<br />8, signal to noise ratio:&gt; 85db
<br />9, the working environment temperature: 0   -45  
<br />Package Included 
<br />1*Stereo Wireless Headphone
<br />(Retail package is not included,We use safe express packing)