1Intelligent temperature control, three gears temperature are adjustable, can meet your different needs. 2Equipped with string bag, when using, you can put the moxa bag into the string bag which is on the inner side of the neck protector. 3Carbon fiber heating materials generate electric heat, after being heated, moxa molecules gradually penetrate into the skin, making people comfortable and energetic. 4Anti-leakage circular connector, 5V low voltage, automatic overheat shift protection, safer to use. 5Remove the battery, hand wash and machine wash are available, you need to put the neck protector into the laundry bag when machine washing.Features:Intelligent temperature control, three gears temperature are adjustable, can meet your different needs.Equipped with string bag, when using, you can put the moxa bag into the string bag which is on the inner side of the neck protector.Carbon fiber heating materials generate electric heat, after being heated, moxa molecules gradually penetrate into the skin, making people comfortable and energetic.Anti-leakage circular connector, 5V low voltage, automatic overheat shift protection, safer to use.Remove the battery, hand wash and machine wash are available, you need to put the neck protector into the laundry bag when machine washing.Multiple power supply modes, convenient to use anytime and anywhere.High quality fabric, skin friendly and breathable.Specification:Condition: 100% Brand NewItem Type: Neck ProtectorMaterial: Diving MaterialSize: Approx. 55 * 12cm / 21.7 * 4.7inPackage list:1 * Neck Protector1 * Connecting line