3M Littmann Classic III Steth Gray 27 (Each) Staircases Model Number: Digital Upper Wrist Select Ear:Left Ear Model Number: Digital Upper Wrist Blood Pressure Deluxe Heat and Massage: * Enhance your lift chair with warming heat and a deep massage * Available on all models except PR 200 Experience this luxurious new massage system featuring: Dozens of massage settings covering three different massage zones: shoulders lumbar and seat * Four massage motors provide relief to stiff tired and strained * muscles * 15 and 30 minute massage * timers * Activate any or all of the three massage zones while in Wave or Pulse massage settings * Independent adjustable massage intensity and speed settings * Relax with soothing low and high penetrating heat: * Independent 30 minute heat timer * Soothe back muscles with our warming heat system * Low and high heat settings less likely to pick up stains Two sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single piece diaphragm with a non chill rim * Next generation tubing provides longer life due to improved resistance to skin oils and alcohol