Eleaf iStick Melo is a slim and compact box MOD with long sustainable 4400mAh inbuilt battery. It supports max 60W power and various working modes. The iStick Melo also features 0.49-inch top screen, 2A quick charging with temperature protection system. And the Melo 4 has a 2ml capacity in 22mm diameter. It adopts retractable top fill design and EC2 coils for ultra-vaping experience.