Can accommodate both the M-Series Smart Glasses and M-Series On-Frame Battery for either right or left eye mounting via the custom Vuzix rail mounting system on both temples. Temples rotate the M-Series Smart Glasses 30 degrees above or below the eye. Designed with an adjustable tall nose bridge and no lenses, these frames allow the user to wear them over most pairs of prescription or safety eyewear. (Note – included in original M-Series Smart Glasses Kit)