... .Adjustable for all size of phones Function and features:1. Car battery charger holder2. Compatible with 90% of the smart phone (bar ... . The arm is retractable,adjustable holding height from 110mm to 140mm,width from 45mm to 75mm.8. USB car charger (5V,1.5 ... A) , quick speed & high efficiency charging. Pictures: Certificates: Hot sale Works in all cars,car battery charger holder ...