40Pins Car Multimedia Player Radio Thicken Version 6.5'' Touch Glass Screen With Adhesive Tape For MIB STD2 682 200

what's the difference between with film and without film
With film function :
1. Anti-blue light
2. Fingerprint prevention
3. Anti reflection
4. Anti dazzle
5. Touch sensitive
6. HD, reduce color loss
Thicken version :
With double layer .