IVG Calipro 600 Puffs Disposable Vape Next up and coming IVG product is the handy IVG Calipro 600 puffs disposable vape; Calipro boasts a mesh coil, offering an enhanced tasting device with a suitable 580mAh built-in battery. IVG Calipro is one of the most radical design shifts for IVG. Also, IVG Calipro 600 puffs device is one of the first disposable vapes where you can see how much e-liquid is left in the vape. This device comes prefilled with 2ml nic salt e-liquid with 20mg nicotine strength (2%). The disposable device has 10 heavenly flavours, with a 2ml e-liquid capacity. The IVG Calipro is a classy and modern swing over the slim disposable vape models, which shows the level of e-liquid you have left to use.