Features/Specs: Meant for use with Concentrate 5 Click On/Off functionality Utilizes the Yocan Dual Quartz Coil (Included) & Yocan Ceramic Donut Coil (Sold Separately) Powered By: Built-in 1100mAh Battery Compact design Built-in Silicone Storage Jar Constructed out of Stainless Steel Package Contents: 1 X Yocan Evolve Plus device 2 X Yocan Evolve Dual Quartz Coil 1 X Pick Tool 1 X Micro USB Charging Cable 1 X Instruction Manual