只需一步,快速开始
野外探险或登山时哪里还有空闲的双手去查看指南针方位呢?这套拴在脚踝上的指南针可时刻提醒您正确的前进方向哦,来回转动脚掌,当其“指向”北方时,指南针便会振动以提示正确的北面方向,以防忘了预订路线。值得一 ...
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