{"product_id":"alpenwarm-firn-connect-heated-insoles-app","title":"Heated Insoles with App Control","description":"\u003ch2\u003eWarm each foot separately – from your phone\u003c\/h2\u003e\n\u003cp\u003eThese insoles have a 3,000 mAh battery in each insole, sealed into the foam. No cable in the boot, no pack on the shaft. You set the temperature in the app, left and right separately, and see how warm the insoles are right now.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3,000 mAh battery in each insole\u003c\/strong\u003e, no cable in the boot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApp control\u003c\/strong\u003e – presets 104, 122 and 140 °F (40, 50 and 60 °C), fine-tune from 86 to 158 °F (30 to 70 °C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeft and right separately\u003c\/strong\u003e, timer from 15 to 120 minutes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 16 hours\u003c\/strong\u003e at 104 °F (40 °C), about 7 hours at 122 °F (50 °C)\u003c\/li\u003e\n  \u003cli\u003eSizes S (US men's 3.5–7 \/ women's 5–9, UK 2.5–6.5, EU 35–40) and L (US men's 8–12 \/ women's 9.5–13.5, UK 7.5–11, EU 41–46), trim to fit at the toe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCharging\u003c\/h3\u003e\n\u003cp\u003eWith the two included USB cables from a wall charger or the Alpenwarm power bank (5 V \/ 2 A). A full charge takes about 2 to 3 hours; the insoles do not heat while charging.\u003c\/p\u003e\n\u003ch3\u003eSize and trimming\u003c\/h3\u003e\n\u003cp\u003eUp to US men's 7 \/ women's 9 (UK 6.5, EU 40), choose size S; from US men's 8 \/ women's 9.5 (UK 7.5, EU 41), choose size L. At home, place your old insole on top and trim the toe along the marked lines. Never cut into the battery area.\u003c\/p\u003e\n\u003ch3\u003eDetails and what's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 3,000 mAh per insole, sealed compartment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApp:\u003c\/strong\u003e temperature and timer per foot, display in °F or °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e 5 V \/ 2 A, about 2 to 3 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e 1 pair of insoles, 2 USB charging cables, instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich size should I choose?\u003c\/strong\u003e\u003cbr\u003eUp to US men's 7 \/ women's 9 (UK 6.5, EU 40), size S; from US men's 8 \/ women's 9.5 (UK 7.5, EU 41), size L. Trim either to your length at the toe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long do the batteries last?\u003c\/strong\u003e\u003cbr\u003eUp to 16 hours at 104 °F (40 °C) and about 7 hours at 122 °F (50 °C).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich app do I need?\u003c\/strong\u003e\u003cbr\u003eThe instructions in the box name the app and explain pairing. If anything gets stuck, our support replies within 24 hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the insoles fit every shoe?\u003c\/strong\u003e\u003cbr\u003eMost winter boots and hiking shoes with a removable insole. The insole is a little thicker than a standard one, so it often won't fit very snug shoes.\u003c\/p\u003e","brand":"Alpenwarm","offers":[{"title":"S (US M 3.5–7 \/ W 5–9)","offer_id":58799629042045,"sku":"AW-FIC-3540-INT","price":149.9,"currency_code":"USD","in_stock":true},{"title":"L (US M 8–12 \/ W 9.5–13.5)","offer_id":58799629074813,"sku":"AW-FIC-4146-INT","price":149.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/9366\/0797\/files\/aw-pdp-firn-connect-01-sohlen.webp?v=1790882576","url":"https:\/\/alpenwarm.com\/products\/alpenwarm-firn-connect-heated-insoles-app","provider":"Alpenwarm","version":"1.0","type":"link"}