Asus ROG Phone II ZS660KL official Pictures. Asus ROG Phone II ZS660KL is a Smartphone of asus. The Asus ROG Phone II ZS660KL Android Smartphone. Announced Jul 2019. Features 6.59″ Display, Snapdragon 855+ Chipset, 6000 MAh Battery, 1024 GB Storage, 12 GB RAM, Corning Gorilla Glass 6. Asus ROG Phone II ZS660KL price starts.