83INCH CORD WITH ADJUSTABLE BUCKLE: Super elastic adjustable strap with buckle, very convenient to use on any kinds of office chair, armchair, sofa, car seat, wheelchair and bed and etc. Cord length is 83 inches, it is long enough to meet most distances. The black suede is dirt-resistant and soft, The inner heating material has 3 layers breathable cover heating pad upgraded filler. OWN YOUR HEATING PAD NOW: Everyone could enjoy heating therapy after a busy work and life. Using the heating pad at work can relieve fatigue, relax the body, and make us feel more peace. Using it when resting can relieve our body pain, warm and comfort us after a busy day. UNIQUE DESIGN FOR BETTER EXPERIENCE: The heated lumbar support pillow for office chair is made of memory foam, very comfortable to lean on. Curve design according to the human body structure It can give you enough support when you are working, driving or resting. Also make you seat in a correct posture. When you need heating therapy, just input the connector to laptop, car or power bank. BENEFITS OF HEATING THERAPY: Heating lumbar pillow is like heating therapy, relieve pain and muscle spasms, and accelerate local blood circulation for your neck, back and shoulders, especially for people with cold backs or lumbar diseases. Heating also can Promote metabolism and improve micro circulation Reduce local oedema and promote healing. TIME AND HEATING SETTING IN 3 LEVELS: This heating back pad is 12v input with charger which is safe to use. A very good choice to use it in office, car or home. Besides, there are 3 heating levels (low, mid, high) and 3 time settings (15min, 30min, 60min). Adjust it according to your need. Impressively, It heats up quickly, and powerful heat even can penetrate your thick clothes to bring relaxation and pain relief to your body.