1)Wireless induction and connection free 2)LED Indication in red/blue colors for Charging Status, blue light means charging mobile and red light means fully charged; 3)Intelligent circuit to avoid overcharged,overdischarged,overcurrent andshortcuit 4)Wireless Charging Ports :1 5)Input power:5V, 2000mA 6)Output power: 5V, 400-500mA; 7)With mini 5V USB port; 8) You can download files and software from mobile via mini USB port without taking the mobile out 9) It takes this charging 3hours to charge iPhone 3G or 3Gs fully 10)Size:16.7X9.7X0.7cm Acessories: Input cable, Iphone3G Charging case