Mini Surge Protector with USB charger offers three AC outlets and two powered USB outlets. Perfect for MP3 players and mobile phones. Compact, lightweight surge protector provides complete surge protection through all outlets. 360-degree rotating plug has four locking positions. Mini-USB outlets cannot be used as a USB hub and does not transmit data. The powered USB outlets on this surge protector are intended solely for charging devices that can be charged via a USB interface. Joule rating is 918J.