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

Description

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