Is it waterproof or water repelling ? Need to know this to see if safe to use in snow.

I wouldn’t drop them in a bucket of water but if they get dropped in the snow for a bit they should be alright. My main concern is the usb ports and the not so tight rubber flap the protects them.

Can these be used in ski boots to heart them up while driving up to the mountain?

So technically I suppose you could as they will do what they do and heat up no matter where you place them. However the difficulty would be fitting your feet in the boots with these inserted as they a similar grip size to a bike handlebar each.

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OCOOPA 充電式カイロ磁力ハンドウォーマー電気カイロ 2個セット最大8時間の暖かさを提供 4階段温度調節可能 10000mAh 持ち運びやすい PSE認証済み 1台2役携帯充電器誕生日贈り物通勤通学電気あんか寒さ対策 UT2s(MagTwins)

Product ID: 727646592

Details

サイズ
グレー
ブランド
OCOOPA
材質
アルミニウム
色
ブラック
製品の推奨用途
ハイキング

🔋10,000mAh dual battery capacity

🔥Up to 58°C adjustable heat

🧲Strong magnetic dual-unit design

Description

🔥 Stay warm, stay connected — heat meets power in your pocket!

CUSTOM COMFORT CONTROL - Four adjustable heat levels remember your last setting for effortless, personalized warmth.
DURABLE TRAVEL READY - Rugged design with dust-protected ports and a compact form factor—ideal for commuting, camping, or gifting.
POWERFUL FAST HEATING - Experience rapid heat dissipation with premium aluminum housing delivering cozy warmth in seconds.
MAGNETIC DUO FLEXIBILITY - Snap together for intense warmth or separate to share the heat—perfect for social winter survival.
ALL DAY WARMTH CHARGING - Up to 8 hours of heat plus a 2-in-1 mobile charger that powers your devices on the go.

The OCOOPA UT2s Rechargeable Heater is a sleek, dual magnetic hand warmer set with a 10,000mAh battery capacity, offering up to 8 hours of adjustable heat across 4 levels. Crafted from premium aluminum for rapid heat dispersion, it doubles as a mobile charger and features durable, dust-resistant design elements. Perfect for professionals on the move, outdoor enthusiasts, or anyone craving reliable warmth and power during cold commutes or adventures.

Specifications

ASIN	B0B7XJSBQ3
ASIN	B0B7XJSBQ3
Amazon 売れ筋ランキング	ホーム＆キッチン - 309,560位 ( ホーム＆キッチンの売れ筋ランキングを見る ) あんか・かいろ - 128位
おすすめ度	4.3 5つ星のうち4.3 (6,406) var
カスタマーレビュー	4.3 5つ星のうち4.3 (6,406) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") \|\| 0) + 1); } } ); …
カラー	ブラック
サイズ	グレー
ブランド名	OCOOPA
メーカー	OCOOPA
メーカー名	OCOOPA
メーカー型番	UT2SR
ユニット数	2.0 個
上位温度定格	320 摂氏
付属コンポーネント	本体×2、USB-C充電ケーブル×2、収納ポーチ×1、取扱説明書×1
低温温度定格	104 華氏
保証内容	1年
品番・型番	UT2s
商品の推奨用途	ハイキング
商品の重量	0.25 キログラム
商品モデル番号	UT2s
素材	アルミニウム
製品サイズ	3.2 x 9.4 x 6 cm; 250 g
部門	ユニセックス大人
電圧（ボルト）	5 ボルト
電池	1 リチウムポリマー電池(付属)
電池の説明	リチウム
電池容量	5000 ミリアンペアアワー
電源	バッテリー,充電式

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OCOOPA 充電式カイロ 磁力ハンドウォーマー 電気カイロ 2個セット 最大8時間の暖かさを提供 4階段温度調節可能 10000mAh 持ち運びやすい PSE認証済み 1台2役携帯充電器 誕生日 贈り物 通勤 通学 電気あんか 寒さ対策 UT2s(MagTwins)

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Details

Description

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Common Questions

OCOOPA 充電式カイロ磁力ハンドウォーマー電気カイロ 2個セット最大8時間の暖かさを提供 4階段温度調節可能 10000mAh 持ち運びやすい PSE認証済み 1台2役携帯充電器誕生日贈り物通勤通学電気あんか寒さ対策 UT2s(MagTwins)