- Automatic Input Voltage: 110-240V-50/60Hz 0.3A Max. - USB Output: 5V/2.4A Max. - Auto ID: Maximum compatibility with smart detection technology to negotiate the fastest charging supported by your device. - Built-in Safety Protection for Over Current, Over Voltage, Over Heat and Short Circuit. - High-grade fire retardant material with precision manufacturing. - FREE CABLE MICRO USB 1 METER.