Package includes: USB charger, USB 2.0 A male to USB 2.0 A double female extension cable 1.5 meters (black). Security Assurance: The USB charger has a protection system that prevents overcharging, overcurrent and overheating. When the battery is fully charged, the charger will automatically stop charging to maximize the protection of your device. Versatile: Provides a full-featured extended female port for panel mounting for charging, plug and play. Lightweight: Plug the dual female extension cable into the USB charger adapter and plug the adapter into the wall to connect to your home or office for charging. Compact, lightweight, portable, stylish and easy to store. Advanced performance: USB charger, extended dual port output, total current is 5V / 2.1A, input is 100-240V, can charge two mobile devices at high speed. This saves you time.