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Usage duration: Low-end model approximately 1 hour; High-end model around 20 minutes. Charging time: Approximately 3.5 hours. Fan diameter: 29mm. Blade count: 13 blades. Maximum speed: 110,000 rpm ±10%. Features: Window-breaking hammer (removable), cutting blade, continuously variable speed, Type-C charging port. Battery configuration: 2 batteries × 4000mAh, 21700 battery. Material: ABS. Turbine fan: Aerospace-grade aluminum alloy. Dimensions: 95×45×145mm. Packaging dimensions: 120×50×175mm. Product weight: 258g. Packaging weight: 44g. Total set weight: 310g
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