The Spinner All in One Pod System Starter Kit by Vision is an incredible device that delivers equally impressive sessions for an overall amazing experience. At 52mm by 8.5mm it is powered by an integrated 370mAh rechargeable battery and employs a 1.2ohm coil within the refillable 1.8mL bottom fill pod as well as a convenient, easy to use draw-activated firing mechanism. The Spinner All in One Pod System Starter Kit also has a rotating ring that protects the edges around the device, eliminating impact damage from falls or drops. It also helps prevent debris and detritus from entering the USB port or mouthpiece. Lightweight and compact, the Spinner All in One Pod System Starter Kit by Vision is the perfect travel friendly, compact and on the go device.