About the productNeopreneWAIST WRAP DESIGN: Adjustable wraparound waist brace with widely stick straps (instead of a single pad) on a neoprene base and it's comfortable and easy to wear. Especially you could wrap it as Back / The lower abdomen / Stomach support and heat to the certain area if possibleHEATS UP MORE QUICKLY: Yosoo knee heating pad reach up to around 60℃/140℉(under 8.4V adapter input) within 5 Mins then turn to second gear( White light) for safety considerations3 HEAT LEVELS FOR YOUR SELECTION: Widely temperature range from 38-65℃/100.4-149℉ (5V USB input from 38-44℃/100.4-111.2℉; 8.4V Adapter input from 40-65℃/104-149℉); Click the power button to switch to 3 different gearsNET POCKET FOR COLD THERAPY: Built with a net pocket for ice bags or herbal. Hot cold therapy in one knee braceWHAT YOU GET: Yosoo Heat Therapy Waist Brace, 8.4V/AC Power Adapter, 1.5M USB Charging Cord, User Manual and our 60 days warranty and friendly customer service. Please note, Ice bags DO NOT included