LG Q6 Plus is available in 4 different colors - Black, Blue, Gold & Platinum.
LG Q6 Plus has 5.5 Inch Full HD+ FullVision display which offers 493 PPI display resolution. LG G6 Plus also has Corning Gorilla Glass protection.
Yes, LG Q6 Plus does have the VoLTE support.
Yes, LG Q6 Plus does have the dedicated MicroSD card slot.