For clicking better photographs, several phones like Huawei Honor 6 Plus and XOLO Black come with dual rear cameras. The purpose behind featuring two sensors instead of one is measuring the light source and focusing the subject accurately or create a bionic view of the subject for clicking better images.

However, Lenovo is the first among in the lot to bring a smartphone with two front cameras to impress the selfie-loving consumers. Dubbed Lenovo Vibe S1, the smartphone has been announced to be available by November for $299 or about Rs 20,000.

Under the hood, Lenovo Vibe S1 comes with a five-inch, 1080x1920 pixels display and is powered by an octa-core processor with a clock speed of 1.7GHz.

The device has 3GB RAM and a 2,500 mAh battery. On the front, Vibe S1 flaunts a pair of snappers with 8MP and 2MP sensors and on the back it packs a 13MP camera. The device has a thickness of 7.8mm and packs a micro SD card slot with a capacity of 128GB.

Along with Vibe S1, Lenovo also launched two more smartphones at IFA, Berlin, 2015 show. Named Vibe P1 and P1m, the devices aim at the consumers looking for huge battery life. The Vibe P1m is actually an affordable version of the Vibe P1.

Lenovo Vibe P1 boasts of a 5.5-inch Full HD display and packs an octa-core Snapdragon 615 processor backed with 2GB RAM and 32GB internal storage. However, the main USP of the phone is its 5,000 mAh battery with Qualcomm's quick charge feature. The Android Lollipop running phone also comes with a 13MP rear and 5MP front camera. The Vibe P1 will be available in the market for $279, while the Vibe P1m will come for $159.

For trimming down the price, Lenovo Vibe P1m features a plastic build and packs a MediaTek processor instead. The Vibe P1m also features 16GB storage instead of Vibe P1's 32GB. The display is also 720P and it packs a 4,000 mAh battery, 8MP primary camera and runs on Android 5.1 Lollipop.

Both the devices are expected to arrive in the market by somewhere in October, 2015.