Pure bliss for your back health The ergonomic backrest with heating is your perfect companion for almost any type of chair. Thanks to the universal attachment, you can quickly attach the device for an extra portion of warmth on any backrest or car seat.   Features of the Beurer HK70 For an ergonomic sitting posture + warmth: at work, at home, and in the car Attachment with 2 Velcro closures Connection to the mains with handy spiral cable Includes car adapter 1-button operation 3 illuminated temperature settings Automatic shutdown after approx. 90 minutes Quick heating Temperature monitoring with safety shutdown Oeko-Tex The textile used for this device, meets the strict human ecological requirements of Oeko-Tex Standard 100, as verified by Hohenstein Research Institute. Input: 100-240 V, 50-60 Hz, 20 W. Product size (LxW): approx. 488 g 3 years.