New Delhi: Taiwan-based technology major ASUS has announced exciting offers on purchase of its Zenfone 3 smartphone on the occasion of Ganesh festival this week. Everyday during this week, 50 random customers on the purchase of Zenfone 3 ZE520KL and ZE552KL variants will be chosen to get a free ASUS ZenPower power bank worth Rs 2,500. "This offer will give our customers one more reason to celebrate and bring in the enthusiasm of the festive season into their homes," said Peter Chang, Country Head, ASUS India in a statement. Zenfone 3 is a feature-packed smartphone that combines premium design and superior specifications. It features the next generation PixelMaster 3.0 camera and is equipped with the latest 16 MP Sony IMX298 sensor, making it the perfect device for smartphone photography. The offer is valid from September 1 to September 7. Winners of the offer will be announced by September 30.