4-buttons replacement remote control compatible with 3.7V Powersheer® Wireless Sock Batteries and Standard Insoles. Control your heat levels on your socks with Wireless remote button to select between High, Medium and Low heat. 

Specifications:

• 4-button Remote Control
• Size Inches: 2.36in x 1.06in x 0.4in
• Size Metric: 60mm x 27mm x 10mm
• Battery: CR2016 – 2 pcs

Compatible:

• Merino Heated Socks batteries

• 3.7V Powersheer® Wireless Sock Batteries
• MWCB37V42221 (Clamshell part number)
• MW37V122 (Part number on individual battery)
• Standard Insoles
• Not compatible with MW37V040 batteries as seen at Costco. The part number for those remotes are MWRA4BTN2023.