S4-QIA Qi Standard Wireless Charger + Wireless Charger Receiver for Samsung Galaxy S4 - Yellow
Input: USB 5V 1000mA; Wireless output voltage: 5V / 1000mA; Power: 5W; Transmission distance: 5~7mm; Charging efficiency: >=70%; QI wireless charging standard compatible with all the QI device; Receiver: Built-in intelligent chip conform to international QI standard; safe to use; Receiving voltage: 5V 1000mA; Output voltage: 5V 600mA; Receiving distance: 5~7mm; Suitable for Samsung Galaxy S4 i9500