Features:        100% brand new and high quality       Upgrade DSP chip,can adjust the rhythm,the signal is more clear,the output sound clear and beautiful.       Aspecial microphone cable support for 48v 3.5mm interface to use ,it is more convenient.       Built-in upgraded version of bluetooth-compatible module, fully support mobile phone/pad and the other digital products with bluetooth-compatible.       High compatibility,supports most mainstream system:Android,win7,win10,could be used with 500+APP in the market.       1800mAh battery capacity,12hours Live time,24hours standby.                                  Specification:        Material:Metal       Size:23x14.5cm/9.06x5.71in       Color:Black;       Battery Capacity:1800mAh       Live Time:About 12 Hours       Standby:About 24Hours       Charging Time:About 2Hours                         Package Includes:        1x Mixer       1x Charging Cable       1x USB Cable                         note   :        Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid.       Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you