买这个EarFun UBoom, 蓝牙连接。效果非常好，夏天孩子点篝火party，都用这个，更重要的是还是防水的 $85

https://www.amazon.com/Bluetooth-EarFun-Portable-Waterproof-Dustproof/dp/B0B1PJ5SQ7/ref=sr_1_3?crid=13DBDRP0RE0FF&dib=eyJ2IjoiMSJ9.6OMGHW7LFTNEoTVMhHqek7ZHsFGSgksYQLsruKkj2ibHPv0ZqXygVH_OCv-pAaZrcMOz0CKb1hx1W74y4zP5mkVJhhlNhwDiGHHnTQD7itME5lap1_ZVFsxsks__lT39sjPX9Ls_zzbOPHnsPcwMarI8ad4flgwu8u6bwDEZ7BpCHs-7m4dnw2zxakDTl_96zwGwJZZRSKM9tYmUkqes1KniJc82BrBYAytpHQrS3_0.FwcwjMmNwxJgx-RCpTTpxhhY6qsJAIu-YXIvfb76XOc&dib_tag=se&keywords=earfun+uboom&qid=1744229961&sprefix=earfun+uboom%2Caps%2C100&sr=8-3