Techkey Features: *100% sealed UDP kernel design combined with integrated appearance.Dustproof,waterproof,shockproof,anti-static,anti-magnetic,high temperature resistant. *Super versatile compatibility,support for USB TV box,player,car player. *Master Flash through gold wire binding and synthesis of high-end COB packaging. *With a new seal packaging,safe and reliable.Avoid shaking wear process of transportation. *Techkey's innovative industrial design (patented), makes the best solution of personal portable storage. China U-leading mobile phone brand,innovation,just as fine!