Sell HaoStones Mini USB Insulation Coaster Heater Heat Electric Coffee Cup Mug Mat Pad Office MY best price

FEATURE Waterproof, corrosion resistant, high thermal efficiency Specifications: Color: Yellow Voltage:3.7V-5V Resistance:3.7 ohms Temperature:35~55 ° Size: 40*40MM Package Includes: 1 x Heater pad Note: 1.Due To The Difference Between Different Monitors, The Picture May Not Reflect The Actual Color Of The Item. We Guarantee The Style Is The Same As Shown In The Pictures. 2.Please Allow 1-3mm Error Due To Manual Measurement And There Will Be Different Color As Different Display, Please Understand. Thanks.