New Delhi: Lenovo India on Tuesday launched Lenovo ZUK Z1 smartphone that runs on Cyanogen operating system (OS) 12.1 -- an OS that enables deep customisation of the user interface with its theme app. The device comes in white and grey colours and will be available for Rs.13,499 on Amazon.in via flash sales. "The biggest demand of a customer is to get maximum experience in an affordable smartphone and the Lenovo ZUK Z1 is our attempt to offer a complete package of powerpack performance and user friendly experience in one device at a customer friendly price point," said Sudhin Mathur, director-smartphones, Lenovo India, in a statement. The phone is backed by a 4,100mAh battery with cut off feature that switches to the power source instead of using the phone's battery once the battery is fully charged. The Lenovo ZUK Z1 has 64GB eMMC 5.0 inbuilt storage and is backed by a 2.5 GHz Snapdragon 801 processor along with 3GB RAM. It comes with USB 3.0 Type C with reversible plugin design that supports a transfer speed of up to 5GBps. The device comes with an inbuilt 360 degree fingerprint reader button. Equipped with Lenovo's PerfectView 5.5-inch display, the Lenovo ZUK Z1 comes with a 13MP camera with optical image stabilisation and dual LED flash. It has an 8MP selfie camera. Cyanogen 12.1 is a fluid operating system with a number of advanced features optimised for performance, power consumption, security and privacy. Registrations for the first sale start on May 10 at 1 p.m. The first sale is scheduled for May 19 at 2 p.m.