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Extra battery pack.
Rechargeable lithiumion batteries, rechargeable
Heat can be regulated via 3 settings on the
battery pack, remotely via smartphone
(Bluetooth 4.0) or remotely via 3 settings
(accessories)
Level 1: 42 °C / 107 °F, 10 – 14 h
Level 2: 52 °C / 125 °F, 5,5 – 7,5 h
Level 3: 60 °C / 140 °F, 3,5 – 4,5 h