Slip this battery pack into your pocket and you?ve got everything you need to give your Blackberry?, Nokia?, Motorola?, Samsung?, HTC?, LG? or other smartphones a fresh charge. Adds up to 3.5 hours of additional talk time, and has both mini and micro USB charging cables, as well as a USB charging tip built right in for recharging so there are no parts to lose. Adapter/Charger Type: Portable Mobile Charger; For Device Type: USB Devices; Connector/Port/Interface: USB.