sticro Shoulder Heating Pad Massager for Pain Relief, Vibration Massage Heated Wrap Braces for Left Right Frozen Shoulder, Rotator Cuff Injury, Arthritis, Decent Gift for Men Woman - S/M/L

Product description <img alt="heated shoulder brace" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/d1125b31-cf34-415b-b805-17f12261fbb4.__CR0,0,600,450_PT0_SX600_V1___.jpg"/> <img alt="shoulder heating pads" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/61805c88-acd0-4fbe-9e37-a32a5cd6952e.__CR0,0,600,450_PT0_SX600_V1___.jpg"/> <img alt="rotator cuff relief" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/f9e08539-ecf9-49d9-8ea5-8d741ce33db6.__CR0,0,600,450_PT0_SX600_V1___.jpg"/> <img alt="shoulder pain relief" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/4b2db392-9eb6-4d82-a80c-16f3b00cb437.__CR0,0,600,450_PT0_SX600_V1___.jpg"/> <img alt="frozen shoulder" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/36ea9191-7886-4991-bfda-aa1b9087c568.__CR0,0,600,450_PT0_SX600_V1___.jpg"> How long is it guaranteed, and what are the terms of service? One year promised for all sticro heating pads, and if there is any damage on the product or missing part that should be in the package, we will issue reshipment as soon as possible within 2 days.

Is it portable? No, it's corded shoulder brace only powered by DC 12V adapter, can not be portable with power bank.

Am I able to sleep with this on? No, please do not sleep with our heating pads even if you have set the auto-off timer.

Compared with those body warmers, our heating pads feature higher temperature for effective hot therapy.

Sleeping with it may increase the risk of being burned.

Can I use it on 220/240v outlet? Yes, the DC adapter supports voltage range from 100-240V.