ABS, PC plastic; Wireless charging can charge 2 of your wireless enabled devices at once (excluding wireless watches such as Apple Watch); Recommended use is with wall charger (and not plugged into computer USB port); Power/Technology: Input: 5V/3A; Output: 5V/1A per each of the wireless charging panels; Work current: 700 mAh; Frequency response: 100-205 kHz; Wireless charging distance: 4~6mm (015~023); Conversion efficiency: ?70% ; Includes instructions and a 41l PVC USB C charging cable ; FCC approved; Note: Most cases must be removed from phone for wireless charging to work; Product Size: 6.125 w x 2.4375 h x 0.375 d