Electric Knee Pads USB Charging for Autumn and Winter Cold Protection and Warmth with Three Adjustable Heating Strips

Is Batteries Included : No Hign-concerned Chemical : None Electronic : No Certification : CE,weee Application : LeG Item Type : Massage & Relaxation

Usage note:The device without battery and needs to be plugged in when use. Product Description Product Name: Heated Knee Protector Material and Fabric: OK Fabric+SBR Composite Specification: Plug in version Color: Black Size: One size fits all Size: 52.5 * 21.5cm/20.7 * 8.5inch Weight: Approximately 110g Rated voltage: 5V Heating temperature: 40-60 Controller gear: 3 Product parameters: USB Output Voltage: 5V/DC The first gear (red light),the temperature is about 44°C; The second gear (blue light),the temperature is about 41°C; The third gear ( green light), the temperature is about 38°C Adapter Output Voltage :8.5V/DC The first gear ( red light), the temperature is 56-65°C The second gear (blue light), the temperature is 46-59°C The third gear (green light), the temperature is 40-45°C Note:There will be 2-4°C of error with different measuring instruments and measure Physiotherapy place:KneelThigh/Shins.Applicable ambient temperature:-30°C to 15°C