The Zabrak Powerbank Bluetooth Speaker is your perfect mobile technology companion. This is the ideal device as it combines a powerbank and bluetooth speaker into one. The built-in 4400 mAh Li-ion battery features a power bank for charging portable devices via the USB output port. The built-in NFC Technology allows you to simply connect the speaker to some handsets that are NFC compatible from manufactures like Samsung, Nokia, Sony, and others. The built-in microphone allows you to conference call on-the-go through your smartphone or by video chat programs such as Skype, iChat or Google talk. Includes 3.5mm audio cable and USB to Micro USB recharging cable.