- Micro USB 3.0 (USB 3.0 Micro-B) Battery Backup Pack by System-S- With this Battery Backup Pack you can load and run your gadgetry with Micro USB 3.0 (USB 3.0 Micro-B) connection (e.g. Samsung Galaxy Note 3).- Insert four conventional 1,5V Mignon AA size batteries into the pack and have a portable power source. Expand the runtime of your device during long flights, train travel or excursion. - ca 25 cm cable length; LED power light; on/off-switch - Shipment: Micro USB 3.0 (USB 3.0 Micro-B) Battery Backup Pack (non-frustration packaging) (Mignon AA batteries not included in shipment)