KUNFINE Car QI Wireless Phone Charger Fit for BMW X3 / X4 2018-2021 Product detail FEATURES Support standard Apple and Android wireless charge enabled devicesUsed anti-slip mat to prevent your phone from falling out while drivingLED indicator light showing Charging StatusSlim design for charging if using QC3.0 Charger simultaneously3-coil design, No charging blind areaWith overvoltage and over-heating protectionEasy installation via USB ports, Hidden wiring Package 1 * Wireless Charger 1 * USB cable 1 * User Manual INSTALLATION METHOD Step 1 Remove the rubber pad from the storage box under the central control panel. Step 2 Plug one end of the Type-C USB Cable into the Wireless Charger, bury the excess wire into the slot on the right, and plug the other end into the USB port of the car. Step 3 Install the Wireless Charger, slightly move and adjust it to fit with the car. Step 4 Turn on the switch of the Wireless Charger, and then place the phone compatible with Qi standard on it to be charged. PRODUCT PAREMETERS Input voltage 9-16V Power output 10W, 7.5W, 5W Charging frequency 110KHz-205KHz Charging efficiency >70% Working temperature -30℃ -+80℃ Product process standard Vehicle standard Work with phone enabled such as iPhone 8, 8 Plus, X, XS, XS Max, XR; Samsung S6, S6 edge, S6 edge+, Note 5, S7, S7 edge, S7 edge+, S8, S8 etc.