Energi Stick AP750A - For most Samsung BlackBerry Motorola Models!The AP750 attaches to key chains and provides a quick boost of power to smartphone users anywhere anytime. To begin charging users must connect their smartphone directly onto the AP750"s Micro USB; there are two different models each with the Micro USB on facing a different direction to acmodate a wide range of Android and BlackBerry smartphones (excluding the iPhone). The female Micro USB port on the AP750 allows it to be recharged using the smartphone"s charging cord however both the phone and the AP750 cannot be charged at the same time.