S-Pack 1400B - Replacement Battery for Heated Socks Winter neckwarmers The Ultra Warm Performance S

The Ultra Warm Performance S

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

built to deliver unmatched protection

Control button on cuff – easy to access even under the Weather Shield Cover

S-Pack 1400B - Replacement Battery for Heated Socks Winter neckwarmers The Ultra Warm Performance SThe S Pack 1400B battery delivers up to 14 hours of warmth and full Bluetooth control for your Therm ic and SIDAS heated socks. Sold individually. Bluetooth app control lets you fine tune your comfort. USB charging cable and 5V 2A charging cube not included. Heating Duration Level 1: up to 14 hours Level 2: up to 7 hours Level 3: up to 3. 5 hours Key Features Bluetooth control via smartphone app Three manual and ten Bluetooth adjustable heat settings