S-Pack 1400B - Replacement Battery for Heated Socks Gloves accessories providing up to 16 hours

providing up to 16 hours of adjustable heat

Trekking Cool Ankle also feature a Pure-IC yarn of organic origin

Heats on contact with air

non-bulky fit so you can still enjoy natural movement and precision grip

Quick and easy battery attachment with snaps

S-Pack 1400B - Replacement Battery for Heated Socks Gloves accessories providing up to 16 hoursThe 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