Find What's Unique About Your Favorite Phone

What makes Microsoft Lumia 640 Dual SIM unique?

Here are 4 unique features & highlights of Microsoft Lumia 640 Dual SIM :
1 The fastest Windows phone priced around Rs. 10,000
2 The #2 Windows phone priced around Rs. 10,000
3 The #3 Windows phone with 8 GB memory
4 The #3 5 Inch phone priced around Rs. 10,000 with the highest camera resolution