New Delhi, March 7: Starting from Monday, Chinese smartphone maker LeEco began the sale of its "superphones" -- Le 1s and Le Max -- during e-tail major Flipkart's Big Shopping Days festival. The "superphones" will be available in gold and silver colours on Flipkart during its online sale till March 9. "It gives us immense pleasure to reprise the exciting offers on our chart topping 'superphone' on this much-awaited, popular shopping festival on the e-commerce platform," Atul Jain, COO, smart electronic devices, LeEco India, said in a statement. The Le 1s and Le Max will be up for grabs with an irresistible 10 percent cashback offer for SBI credit and debit cardholders as well as on a hard-to-pass up exchange offers of up to Rs.6,000 on Le 1s and Rs.20,000 on Le Max. The company sold over 200,000 devices in less than 30 days in its flash sales and recently held LeEco day. LeEco is also rolling out its android-based EUI system update in this year's second quarter and has inked a deal with Eros Now for Video-on-demand (VOD) and with YuppTV for TV content streaming.