Tether Tools Rock Solid 5V Dual USB to AC Wall Adapter, United States Standard

Charge or Power Two Devices with Ease
The Rock Solid Dual USB to AC Wall Adapter allows you to simultaneously charge or power two devices from a wall outlet using a USB charger or power cord.

Great for powering any device that has a USB charger or power cord including the Case Relay, TetherBoost Core Controller, re-charging the Rock Solid Extennal Power Pack or charging your smartphone, tablet or laptop. Charge and power devices from longer distances by attaching a TetherPro USB 2.0 Active Extension Cable.