Massage Stone Heater Box Set-Electric Spa Portable Heated Rocks Massage Stones and Warmer Set – Heat Rock Massaging Kit 12 Large/Small Black Stone Set w/Bamboo Heating Case-SereneLife PSLMSGST65.5

Features: – Hot Stone Massage System – Simple Electric Plug-in Design – Quick Setup: All-in-One Portable Kit – Smooth & Sculpted Round Basalt Rock Stones – Uniquely Selected Stone Type for Comfort & Maximum Heat Retention – Storage / Travel Case Doubles as Stone Heating Oven – Portable Style Travel Case, Lightweight & Easy to Carry – Energy Efficient Warming for Quick Heating – Wired Temperature Controller Unit – Configurable Time & Temp SettingsWhat’s In The Box: – Bamboo Heating Warmer – Digital Temp Controller – (6) Large Massage Stones – (6) Small Massage Stones – USA Power CableTechnical Specs: – Stone Type: Basalt Rock, Round – Heating Time: 8-15mins – Stone Maximum Heat Retention: 25-35 mins – Adjustable Temperature: 85-160 °Fahrenheit (30-70 °C) – Large Stone Size: 2.8’’ x 0.7’’ -inches (-Each) – Small Stone Size: 1.8’’ x 0.7’’ -inches (-Each) – Large Stone Weight: 0.27 lbs. (-Each) – Small Stone Weight: 0.17 lbs. (-Each) – Power Cord Length: 5.9’ ft. – Power: 120V-57W – Rated Frequency: 60Hz – Controller Range: 85-160 – Total Bag Size (L x W x H): 14.6’’ x 10.2’’ x 3.5’’ –inches