Unverified90% confidenceFactTime unknown

供电功率受限于USB口（约5V/0.5-1A），发热温度上限不高，体感为微温而非明显热感

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90%

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USB加热手套（办公通勤款）product_sku 电热手套category

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UnverifiedUSB 5V供电功率有限，最高温度约35℃，严寒环境或对保暖要求高的用户不适合，仅适合轻度驱寒场景88% similar UnverifiedUSB供电（5V/2A）电热杯本质是恒温保温杯，只能维持40-60℃，不具备加热能力；真正能烧开水的必须是220V直插或独立底座供电86% similar UnverifiedUSB充电式加热饭盒功率通常仅40-60W，加热能力弱，只能保温或加热已经温热的饭菜，无法从冷食完全加热到热食，宣传'随时加热'需理性看待81% similar

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