The massager pad sizes 12.4x11.3in, which is fit for most of feet. Foot massage make your heels, arches soles and toes relaxing. In addition, there are 6 massage modes with 9 intensities to improve your comfort. Provide powerful deep massage, foldable design, easy to carry, one button start operation is simple, the elderly can easily operate. specification: Product Type: EMS Foot Massager Color: Black Material: Leather; Plastic Voltage: 1.5V Frequency: 1～100Hz Output: Max 98Ma Mode: 6 Modes Intensity: 9 Levels Of Intensity Battery: 240mAh Lithium Battery Charging Time: 2Hrs Operating Time: 15 Minutes Power Method: USB Rechargeable USB Cable Length: 30cm/11.81in Item Size: 31.5x28cm/12.4x11.3in Item Weight: 96.5g/0.22lbs Note: Not to use if you have high blood pressure. Effective Foot Massager: Adopts the low frequency pulse technology (EMS) for foot, ankle, muscle massage to promote blood circulation and get to relax. 6 Modes & 9 Intensity Levels: 6 modes and 9 adjustable intensity levels can directly stimulate the acupuncture points and relieve soreness, swelling, leg pain, reduce fatigue and improve sleeping quality. 15 Minutes Auto Off: 15 minutes is a course of treatment, when the time is due, it will automatically shut off, no worry about forget to shut it off. A regular treatment is helpful to your health. Portable & Easy To Clean: This foot massage mat is soft, lightweight and foldable, easy to carry to anywhere, even in travelling, you can also enjoy foot massage. The material of this mat is easy to clean, just wipe it with a half wet towel and dry it after use. Wide Applications: It can fully balance the foot and heel, relax the calf muscles and form the calf. It is also suitable for office worker, travelers, middle-aged, elderly people and women who wear high heels, which can greatly relieve muscle and feet.