Smartphone must be fitted with a suitable COMPIT COVER for secure mounting to the COMPIT or +COM/UNIT bracket. A smartphone cover with a special fastening mechanism allows the phone to be mounted in the holder by pushing and twisting in the wide bayonet mount. The covers are made of shock-absorbing material, cover the outer edges of the smartphone and protect it in case of drop or impact. Thanks to the use of high-quality, wear-resistant plastic, the cover is very robust in places of maximum stress. The dual-fold cover, which is pleasant to the touch, the phone can be easily inserted and removed.