在App中可以找到哪些声音设置? 耳塞音效设置;麦克风灵敏度和驱动单元尺寸等。 Have a follow-up question? Answers from the official manual.Common questionsHow do I pair the JBL Tune Flex to a new Bluetooth device?How do I factory reset the JBL Tune Flex earbuds?How long does the battery last on the JBL Tune Flex?How long does it take to fully charge the JBL Tune Flex?