Leitz iComfi Ergonomic Heated Seat Cushion, IGR & T??V Certified - 3 heat settings, USB-C power bank compatible, 7cm foam base, home office, office chair, lower back, 2-hour auto shut-off

ERGONOMIC DESIGN: IGR-certified ergonomic design with a 7cm thick foam base, helping support healthy posture, improve seated comfort, and encourage natural pelvic alignment during prolonged sitting. 3 HEAT SETTINGS: Choose from low, medium or high heat settings to personalise your comfort (approx. 35-50??C surface temperature). Easy button controls let you adjust heat instantly throughout the day. CORDLESS HEAT: Powered via any 5V/3A USB-C portable power bank (15???20W), delivering cable-free warmth wherever you need it (power bank not included). For best performance, use 10,000 mAh or higher. LONG-LASTING PERFORMANCE: Enjoy up to 5 hours of warmth on low, 3.5 hours on medium, or 2.5 hours on high using a 10,000 mAh power bank (not included), giving you flexible, portable comfort. ADVANCED SAFETY: T??V safety tested with adaptive dual temperature control for consistent warmth, plus a 2-hour automatic shut-off for added peace of mind and improved energy efficiency.