Compatible with all Qi enabled devices (smartphones, tablets, smartwatches, wireless headphones), including Apple products.Supports fast charging technologies such as Qualcomm Quick Charge or Power DeliveryInput voltage: 12 V 2 A, 9 V 2 A, 5 V 2 AOutput power: 15 W / 10 W / 7.5 W / 5 WFrequency bands in which the radio equipment operates: 110 - 205 kHzEfficiency: 73%Transmission distance (also through the case): 8 mmStandard: QiProtection: overcurrent, short circuit protectionColor: blackSize: 99 times 99 times 5mm