Please Note: Smart Timer: Auto Shut-off for Your Safety. To prevent overuse, the massager will automatically turn off after 15 minutes of continuous use. This is a normal function, not a malfunction. Simply turn it on again if needed.Description:Upgraded Heating Pad: Upgraded heating pad for back providing targeted heat and massage for your lower back, two lumbar support columns can help support your lower back to minimize the pressure on the discs and ligaments effectively . You can use it when doing housework, working on the computer, or driving a car.3 Heating Levels & 3 Vibration Massage: Experience the comfort with the portable heating pad, boasting three heat settings ranging from a gentle 48℃ to a soothing 53℃, all the way up to a warming 58℃. Pair these with 3 distinct intensity levels of vibration massage for a truly personalized relaxation experience. The dual powerful massage motors cater to your back's needs, offering adjustable vibration intensities to target and soothe sore or painful areas effectively. Adjustable Straps with Extension Band: The back heating pad massager comes with a convenient extension band that extends up to 57inches in total, allowing for easy adjustment to fit various waist sizes comfortably. The front of the pad utilizes a super-dense that adheres firmly to any part of the band, ensuring a snug wraparound fit for the lower back area, preventing any unwanted sliding during the use.Cordless & Portable: Cordless heating pad is equippped with a built-in battery. Once the heating pad massager is fully charged using the included usb cable, you can enjoy the heat and massage for pain relief anywhere and anytime.Intelligent Touch Screen: The heated back massager is enhanced with a user-friendly intelligent touch screen display, simplifying the operation process. With just a simple power-on, you can directly adjust the settings. The central part of the screen clearly displays the current temperature. Specifications:Main Material--Main Material: OK Elastic ClothOther Material: Neoprene Plus 3% Composite ClothLining: FleeceRated Voltage: 3.7VRated Power: 7.5WInput Voltage: 5VColour: BlackNumber of Vibration Motors: 1pcBattery Capacity: 2000mAhSmart Timer: 15 Min/SessionFully Charged Using Time: More Than 1hrs (4-5 times)Heat: 3 Gears Heat Therapy (48/53/58℃)Massage: 3 Gears(Low-Middle-High) Package Included:1 x Massager Belt1 x Extension Band1 x Cable1 x Manual