This light rechargeable lithium battery pack operates all Lenz Body heat systems, including the Heat Socks 5.1 Toe Cap.  

• Heat can be regulated via 3 settings on the lithium pack
• Heat can be continuously regulated remotely via smartphone (bluetooth smart ready)
• Heat development for up to 14 hours • Global usb-charger with charging display and short charging time
• Short charging time
• Flexible plastic case

Package contents:

• 2 lithium pack rcB 1200 (rechargeable)
• 1 USB charging cable with charging indicator