The Vision Skynow X is a very cute and compact vaping device. It just like a USB driver in hands! With built-in 450mAh battery and constant 8W output, it will provide a stable performance. The indicative light shows the battery life clearly! This simple pod will definitely bring you amazing vaping experience! Vision Skynow X Kit with 450mAh Built-In Battery Features and Specs: Size: 97 x 22 x 11mm Wattage: 8W Capacity: 1.7ml Battery: Built-in 450mAh Charging: USB Port Pocket Size of A USB Driver 450mAh Built-in Battery Indicative Light for Battery Life Top Refill Design with 1.7ml Capacity Skynow X Kit is just cool to use at leisure time. Just get it at Urvapin, it's only $26.75 and free shipping, bought it via this link: https://www.urvapin.com/vision-skynow-x-kit.html