ITEM NAME:1Pcs SIX5 wireless charger transmitter with data cable + S4 receiver (black) Description Description: 1. Please confirm whether it is connected with a wireless mobile phone. Open the back cover of the mobile phone. The wireless connection is a SIM card slot near the battery. It works well, or it does not work well. 2. The device should be connected to a power source, the transmitter and receiver itself are not capable of storing electricity, we recommend that you choose a 5V / 1.5A or higher adapter. 3. The mobile version is divided into customized and non-customized according to the frequency of (Telecom, China Unicom, China Mobile) network. There are also some versions that do not support wireless charging. You can remove the back cover and check for metal contacts or solenoid valves, otherwise , Can not achieve wireless charging. 4. The mobile solenoid valve must be accurately positioned in the area of the electromagnetic induction transmitter, otherwise it will affect the coupling efficiency and cannot be identified and charged normally. The distance between the transmitter and the receiver (rear cover) is 5 mm. Specifications: Wireless charger Model: X5 Colour: Black Size: about 145 × 84 × 9mm Package size: about 191 × 100 × 51 mm Input: 5V / 2A Output: 5V / 1A Transmitting power: 10W Charging current: 5V / 500-1000mA Transmission distance: 10mm Load efficiency: ≠¥75% Standard: Qi standard wireless charging Main chipset: Sunplus Receiver S4 (black) Size: about 61 x 49 mm Input voltage: 5V Receive power: 5W Charging current: 600-1000ma Receiving distance: 5 mm Load efficiency: ≠¥70% Standard: Qi standard wireless charging Main chipset: TI For Samsung GALAXY S4 (i9500) Package Included: 1x wireless transmitter 1xMicro USB data cable 1x English manual 1xS4 wireless receiver Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's br.The wireless connection is a SIM card slot near the battery. It works well, or it does not work well. The distance between the transmitter and the receiver (rear cover) is 5 mm. We'd like to settle any problem in a friendly manner.