DescriptionMade of quality material, no harm, safe and durable for use, not easy to break, long serving life. Make sure maximum safety and transfer the heat perfectly. Give you better therapy effect. An gift choice for you parents, wife, friends or girlfriend, show them your love and concern.Features-Color: grey -Material: Lycra, TPU -Size: 100.00X12.00X0.50cm/ 39.30X4.72X0.20in -Voltage: 5V -Power: 6.5W -Using Time: 5000mA for 3-7hours - 3-Gear Adjustable Temperature: 45(blue light), 55(green light) , 65(red light) - Help you ease the contraction of the muscles, thus providing some much-needed relief.- Heating pad provides heat therapy for temporary relief of period cramps pain and associated back aches.- Penetrate deeper into your aching lower abdomen and lumbar back and boosts blood circulation to the area.- Safe to use. Does not stimulate the skin and dissipate heat evenly.- Definitely a perfect gift for Christmas, Birthday or Valentine's Day.