The A1399 USB adapter is a compact charging accessory, compatible with the Apple Watch, iPhone and iPod when used with the applicable cable, it has fixed prongs for use in the UK, Ireland, Hong Kong, Singapore and Malaysia. Specification - Connection: USB - Output Current: 1A - Output Voltage: 5V - Input Voltage: 100-240V - Includes 1M Magnetic Charge Cable for Watch *Please note, this product is sold in frustration free packaging (FFP)