100% Hi-Fi 3D surrounded sound effect by dual loudspeaker unit,  BOSE passive film vibration technology
<br />  Touch control screen button by the 5th generation MCU technology incorporated, stable Bluetooth connection in 10 meters scope and NFC technology.
<br />  Long working time span, build-in Li-ion battery with 600mAh, maxim 24 hours standing by time, 3 hours playing time.
<br />  Compatible multiple devices, smart phones like IPHONE, SAMSUNG, tablets, laptop, PC, PSP, supporting playing multiple music format MP3/MP4 etc, TF card and USB disk interface, also hand-free phone call with build-in microphone, FM receiver. All-in 1 use.
<br />  Awesome size & shape design, tumbler standing eternally, anywhere you can take and put on, more colors for choice.