Note: Do not use an ordinary 5V-1A charger or USB to connect the computer. It will lead to insufficient power and very slow charging speed. The 5V2A charging head is equal to 10W charging speed 15W fast charging can only enter the fast charging mode if the 9V-2A charging head is used (this product does not include a plug) Specifications Input voltage: 9V2A Airpods output: 3W USB output: 5V1A Charging efficiency 75% Material: ABS+PC Wireless output: 15W LDE output: 4W Operating frequency: 100-205KHZ Transmission distance: 2-6mm 3 COLOR TEMPERATURE warm color(3200K) warm white(4000K) Cool white(6500K) Brightness adjustment (long press to switch) 10% - 100% brightness Compatible with: all Qi wireless chargers Compatible with: Watch 1 iWatch 2 iWatch 3 iWatch4 iWatch 5 iWatch 6iWatch SE /other wireless charging watches Compatible with: iPhone 14/14 mini/14Pro/14Pro Max iPhone 13/13 mini/13Pro/13Pro Max iPhone11/11Pro/11Pro MaxSE2/SE3 iPhone12/12mini/12Pro/12Pro Max iPhone/xS/xS Max/XR/ X/ 8/8plus Compatible with: Galaxy S20/S20+7/S20 Ultra/s 10/S10+/s9/s9+/S8+/S7/S7 edge/s6 edge Plus/Note 10/9/8/T/5 Compatible with: Air pod ProAir Pods 2/3 Galaxy Buds/other Wireless charging Buds