... high-end, to give you 360 ° of the visual enjoyment.2.Portable Audio System designed,easy to ... take. Suitable for camping, sporting ,traveling... Etc outdoor using.3. ... .Can read TF/Micro SD card.6.Using the world's advanced technology, low-voltage, low-power amplifier IC7 ... :USB power, Build-in Li-battery, longer time for playing with 2-3 hours. Color: Yellow, Blue ...