Armband

游泳臂圈

yóuyǒng bìquān

(one of a pair of inflatable plastic bands to help the wearer float in water and learn to swim)

臂章

bìzhāng

(band worn around the arm)

隊長臂章 /队长臂章

duìzhǎng bìzhāng

(band worn around the arm of the captain of a team)