Features Using high-performance lithium battery, USB fast charge mode, it can be fully charged in 60 minutes, and the battery life can reach 80 minutes, which is convenient for your travel. On the shaver, the red-eye laser indicates the charging progress, and the red-eye status is displayed during charging and when the charging is completed, and the eyes will not turn blue, and the blue eyes indicate the status of use. The key switch is more beautiful and practical .