... prescription function and dialectical treatment BLUELIGHT Medical instrument BL-FB( also known as Bluelight hemiplegia treatment device, Bluelight meridian physical therapy instrument) has a prescription function ... therapy,lose weight,Beauty,etc.We produce different kinds of therapeutic apparatus, all models as below:BL-E, BL-EX, BL-EA, BL-F, BL-FA, BL-FB, BL-G, BL ...