Blueberry flavored CBD Vape Cartridge. Relax a little, You deserve it. Stress and anxiety are feelings we all manage on a daily basis. Our Blueberry flavored CBD Relax Vape Cartridge was formulated for those who are seeking some relaxation in this busy world. You are not alone. This relax vape cartridge contains a proprietary blend of Broad Spectrum CBD & CBV. Our CBD Relax cartridge comes in a natural Blueberry flavor. This cartridge is compatible with our Social Pen & any 510 thread vape battery.