Features: 1. Moxibustion and hot compress: The gentle heat from moxibustion penetrates through the channels and collaterals to provide soothing warmth. 2. Carbon fiber heating element: Offers excellent heat conductivity, corrosion resistance, high temperature resistance, and electrical insulation. 3. Three temperature settings: One-key control allows quick heating to the desired temperature within 30 seconds based on ambient conditions. 4. Safe low-voltage operation: Powered via USB with 5V output, well below the human body safety voltage of 36V, ensuring safe and reliable use. 5. USB power compatibility: Compatible with various USB power sources such as mobile power banks, phone chargers, and car chargers. Notice: - Actual color may vary slightly due to differences in monitor displays and lighting conditions. - Please allow 1–3 cm variation due to manual measurement. Material: Fabric + electronic components Size: 36 x 21 cm Color: Black Target area: Elbow Temperature settings: Three adjustable levels Heating material: Carbon fiber heating sheet Voltage: 5V Temperature range: 40°C to 60°C Power source: USB-powered (multi-mode compatible) Package includes: 1 x Elbow Heating Pad