S-Pack 700B - Batteries for Heated Socks Warm T® heated ski socks are

T® heated ski socks are engineered for skiers who want precision

Compatible with USB charging (5V/2A wall cube required)

big resort days

and built for advanced skiers who require a low-bulk fit inside close-fitting ski boots

S-Pack 700B - Batteries for Heated Socks Warm T® heated ski socks areThe S Pack 700B battery pack delivers up to 7 hours of warmth and lets you control your Therm ic or SIDAS heated socks via Bluetooth on your smartphone. Set includes two Bluetooth enabled rechargeable batteries and a dual USB charging cable (charging cube not included). What's Included 2 S Pack 700B rechargeable batteries 1 USB charging cable (dual charging) charging cube NOT included Heating Duration Level 1: up to 7 hours Level 2: up to 4 hours