Braven BRV Rugged Backup Battery 6000 mAh. Gray with Red accents. The worlds first power bank to integrate the benefits of Bluetooth-enabled USB control. Wirelessly monitor the battery level of your BRV-BANK from your smartphone or tablet. Remotely start and stop charging your smartphone or tablet, and control the included USB flashlight using Bluetooth Smart technology. Easily locate your BRV-BANK from your smartphone or tablet using the Find Me feature.