Features Air Compressing: Equipped with 22 Airbags inside, added to breathable and soft fabric material, which provide your legs a smooth massage effect, mimicking the touch of the hand. 360 Wrapped: Adjustable the wrapping size around you calves. And adhesive design is easy to wear, take off, disassemble and adjust the size. Make your calves feel massage and relaxation in all directions. 2-in-1: There is a new 2-in-1 rechargeable controller that provides power for the leg massager, With a built-in battery and USB charging cable, you can use it after charging, and the massager is light in weight, easy to carry and use when traveling. Safe Usage: The massager automatically turns off the power after 15 minutes of use to prevent overuse and ensure your safety. 2 Intensities 3 Modes: It has 2 Intensities 3 Massage Modes, you can choose the best one according to you needs. M Key control the massage model, the indicator light in mode 1 is white, mode 2 is green, and mode 3 is blue.And the switch key control intensity, the indicator light is green in low grade, the indicator light is red in high grade. Note: If not using the device for a long time, keep the battery charged every 2 months. Specifications: Material: Cloth + PC Color: Dark Gray Temperature Range: 5-40 Compress: 70KPA-106KPA Rated Power: 5W Rated Voltage: 5V Built-in Battery: 1 * 3.7V 1200mAh Lithium battery USB: TYPE-C Interface Item Size: 62 * 34.5 * 0.3cm / 24.4 * 13.6 * 0.1in Item Weight: 715g / 1.58lb Package Size: 26.5 * 17 * 9.5cm / 10.4 * 7 * 3.7in Package Weight: 942g / 2lb Package List: 1 * Instruction 1 * USB Cable with TYPE-C Interface 2 * Calf Wrap