Price: $15.00 (SAVE Now!)
as of 09/24/2020 (Details)
Usage instructions: 1.Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat. 2.The need for thermal insulation on the silica glass coasters, then it can play the role of insulation (please don’t use the recessed bottom cup, glass Cup is best) 3. …