G-Heat Battery-Free Heated Neck Warmer

With a simple press, activate the heating system and enjoy comforting warmth for several hours. Its soft fleece and custom settings guarantee optimal comfort, even in freezing weather. Perfect for all your activities, whether in the city or the mountains. - 95% Polyester 5% Spandex - Make sure to remove the battery before washing - Use a mild detergent without fabric softener - Hand wash recommended but machine wash possible at 30°C, with minimal spin - No tumble drying, bleaching or dry cleaning - Do not twist to wring, as this may damage the heating systems - Works with the BATG011 battery that slips into the pocket. - Charge with a 220 Volt USB power adapter at 2A/5V (not included) - Charging time 4 to 5 hours. 500 charge cycles. - 7.4V 2200mAh - Weight approximately 72g - For optimal use, please follow the usage instructions.