Lens heating : Protects the lens of your camera or telescope before freezing and fogging. Perfect for taking pictures overnight or morning in somewhere with high humidity.

Material and Certification : High quality, made of premium neoprene material; CE and RoHs certification. Fit the most common devices.

Temperature adjustable : This product is equipped with an 80cm temperature regulator, with low, medium and high modes, which you can adjust the temperature according to different needs.

Multi-use : Great for lens heating, warming up water bottle and feeding bottle, and also can be use as a special wrist strap/knee to protect them from cold weather.

USB port design : It is very handy to use because you can connect it either to your power bank or any other power source with a USB port.