S-Pack 700B - Replacement Battery for Heated Socks Outdoor Gloves Ideal for use after wet

Ideal for use after wet or cold outdoor activities

while the advanced heating system ensures all-day comfort in cool to cold weather

Easy to recharge: cigar lighter

Engineered with Boost Heat Technology

S-Pack 700B - Replacement Battery for Heated Socks Outdoor Gloves Ideal for use after wetThe S Pack 700B battery gives your Therm ic or SIDAS heated socks up to 7 hours of warmthplus Bluetooth app control on your phone. Sold individually. Use as a replacement or backup. USB charging cable and 5V 2A charging cube not included. Heating Duration Level 1: up to 7 hours Level 2: up to 4 hours Level 3: up to 1. 5 hours Key Features Bluetooth control via smartphone app Three manual and ten Bluetooth adjustable heat settings Compact and