Easy to assemble and disassemble, convenient to use, just take off the back cover, plug in the mico USB head, and close the back cover - Energy card can be attached at all time without removing it frequently and would not interrupt the normal use - Model: Type B - Color: Black - Dimension: 62 x 37 x 0.55 mm - Interface: Micro USB (narrow interface down, wide side is upwards.) - Compatible with: Smartphones with micro USB port and wireless induction contact (Please confirm that whether your phone support wireless charging before you buy this product. Please make sure that there is induction contact near the SIM card.) - Confirm to QI standard - Input: DC 5V/500-1000mA - Output: 500mA - Receiving Distance: 5mm - Electric Power Conversion: ≥70% - Charging Type: One to One - Charging Method: Induction How to install: - For the phone with removable battery: Remove the battery cover, plug the receiver in the Micro USB port of the phone, place the coil above the battery and close the cover. - For the phone with non-removable battery: A protective case is needed. Plug the receiver in the Micro USB port of the phone, place the coil above the protective case. - This product is a wireless receiver ONLY. Please use it together with a wireless charging transmitter. - The installation method depends on your phone's model. Please confirm the direction of the Micro USB port of your phone before you buy this product. Please make sure that your phone has the wireless induction contact. Package included 1 x QI wireless charging receiver Note: This is only a wireless charging receiver, the wireless charging pad is not included. You still need a Qi standard charging Pad to work with the charging receiver to charge you iPhone 5/5S wirelessly. You can buy a charging pad separately. - Please make sure that your phone is equipped with Micro USB interface for charging, and the Micro USB head is located at the center of the phone.