The Crystal SPA – 770 size is 2200x2200x930 mm. It has the capacity to accommodate 5 people at a time. The full body of this bathtub is made of stainless steel. There are 128 stainless steel nozzles in this hot tub with small jets hydro jet spot diameter 2 “: 89 pieces, water jets rotary small hydro spa jets diameter of 2.5 “: 4 pieces, water jets rotary large hydro spa jets diameter 3.5 “: 7 pieces, large water jets hydro-point rotary spa jets diameter 3.5 “: 13 pieces, and LEDs air nozzles (seven color) 1.5 “: 12 pieces. The tub has many pumps for the jets like hydro massage water pumps: 1pcs power 3HP and 2pcs power: 2HP, circulation pump: 1 pcs power: 1HP and air pump: 1 pc power: 700W. For providing extra comfort, there are foam headrests: 5pcs and aromatherapy container: 1pcs. Some other features that are enhancing its popularity are computer control basin BILBOA: 1pc, water heater BALBOA power 3KW: 1pcs, water halogen lighting LED multicolor: 1pcs, LED fiber optic bundles color therapy: 36pcs, water filter skimmer: 2pcs, Aerating the water pump and the air pump: 6pcs, waterfall LED: 1pcs and water fountains LED: 2 pcs.