Solo F2 Starter Kit is an extremely pocket-size and short vaping device with elegant carbon fiber finish which is very convenient to carry outside. Powered by the built-in 18650 battery, the Solo F2 Kit can fire up to the max output of 50W with various protections. Plus the ergonomic fire button with different battery level colored LEDs, it will be very easy to operate the Solo F2. How to Enter: 1. Which feature of Solo F2 do you like most? 2 .Share a product that you like best on our website. Please leave a link to the product. Or just talk about your expectations or ideas about us. 3. On our website, the product you are looking forward to, leaving as much information as possible about the product. Every participants has up to three times to enter. Please comment each request separately . Please Note: 1. We will pick 3 lucky winner via random.org on Oct 9th, 2018 and send out the Solo F2 Starter Kit as soon as we can. Wish you all good luck and have fun!!