Zabrak Bluetooth® Speaker. The Zabrak Powerbank Bluetooth® Speaker is the perfect mobile technology companion combining a 4400mAh powerbank and Bluetooth speaker into one. The built-in NFC Technology allows you to connect the speaker to NFC enabled devices by simply tapping the device to the speaker. 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. Packed in an Avenue gift box. ABS Plastic & Metal.