Do you want to enjoy music whenever and wherever? Do you want to carry lighter devices for travel? Do you want to take cool speaker? Here, QCY Max QQ500 Bluetooth speaker is highly recommend,with built-in power bank function, Bluetooth speaker function, you can enjoy better experience. Perfect auditory experience; 2600mAh High capacity battery, 13h standby time, can be used as emergency power bank for other digital devices;can be place at any angle, you can enjoy the music when doing outdoor sports. Action is better than excitement, buy it now!