QI2 Semiconductor Cooling Magnetic Car Wireless Charger, Air‑Vent Clip‑on 15W Fast Charging Phone Holder (Cooling + Built‑in Fan,2.5W Watch Charging Output): QI2 is an air‑vent clip‑on semiconductor‑cooling magnetic car wireless charger. Compared with former D16 model, it comes with official QI2 certification and adds 2.5W wireless output for smart watch, meanwhile net weight is reduced to 83g for lighter experience. Built‑in semiconductor cooling chip and cooling fan effectively avoid power‑throttling caused by phone overheating inside hot car cabin. Input voltage:9V 3A. It delivers 15W/10W/7.5W/5W for mobile phones, plus extra 2.5W output for smart watch charging. Charging efficiency reaches 73%, transmission distance 5‑10mm, supports charging with thin phone case. It adopts Dixin chip solution, gun‑metal housing with glowing RGB ring light. Unit dimension:1206767MM, material: ABS + tempered glass. Operating frequency:100‑150KHZ, Type‑C input port, compatible with iPhone 12 and newer magnetic‑supported smartphones. Package dimension:1559744MM, package weight 185g, well‑suited for cross‑border e‑commerce and bulk export business.