Lenovo has officially introduced its online-only ZUK brand in India. It has launched the first smartphone, ZUK Z1, under the new smartphone line up. Priced at Rs 13,499, the smartphone will be available starting May 19 from Amazon India, while registrations for the sale begin today. Also Read - Lenovo sub-brand Zuk could be making a return

One of the key features of the ZUK Z1 is Cyanogen OS 12.1 based on Android 5.1 Lollipop, and is expected to be updated to Cyanogen OS 13. ZUK says the users can root the smartphone without voiding the warranty. Also Read - Nokia 6 to Moto E4 Plus: 6 smartphones with quick charging feature under Rs 15,000

ZUK Z1 specifications and features: The ZUK Z1 has a 5.5-inch full HD display with 1500:1 contrast ratio and 100 percent NTSC color gamut. The smartphone is powered by Qualcomm Snapdragon 801 along with 3GB of RAM. It comes with 64GB of built-in storage. The smartphone also has a fingerprint scanner on the front.

The ZUK Z1 has a 13-megapixel rear camera with OIS and an 8-megapixel front facing camera. Connectivity options include dual-SIM, 4G LTE (support all Indian 4G bands), and USB Type C 3.0 for fast charging.

The ZUK Z1 is powered by a 4,100 mAh battery. Lenovo says it has introduced a new technology that allows the smartphone to run direct from the charger when the battery is fully charged. According to company, the technology helps increase battery life.

The smartphone will be competing against the likes of OnePlus 2, Xiaomi Mi 4 and Asus Zenfone 2.

Features Zuk Z1 OnePlus 2 Xiaomi Mi 4 Zenfone 2 ZE551ML (64GB) Display 5.5-inch full HD 5.5-inch full HD 5-inch full HD 5.5-full HD Processor Qualcomm Snapdragon 801 Qualcomm Snapdragon 801 2.5GHz quad-core 2.3GHz Intel Atom Z3580 quad-core RAM 3GB 4GB 3GB 4GB Storage 64GB (expandable) 16GB (expandable) 16GB (expandable) 64GB (expandable) Rear Camera 13-megapixel 13-megapixel 13-megapixel 13-megapixel Front Camera 8-megapixel 5-megapixel 8-megapixel 5-megapixel Battery 4,100mAh 3,300mAh 3,080mAh 3,000mAh Connectivity dual-SIM, 4G LTE, Wi-Fi, Bluetooth 4G LTE, Dual-SIM, Wi-Fi, Bluetooth Wi-Fi, Bluetooth dual-SIM, 4G LTE, Wi-Fi, Bluetooth Android OS Android 5.1 Lollipop Android 5.1 Lollipop Android 4.4.3 KitKat Android 5.0 Lollipop Price Rs 13,499 Rs 20,999 Rs 14,999 Rs 22,999