Joyo - 效果踏板 (沒有保留價)

JAM BUDDY 是一款受欢迎的 2 合 1 吉他练习设备，兼具效果器踏板与内置扬声器的小型音箱功能。它具有清音（Clean）和驱动失真（Drive）两条通道，支持经典（Classic）与高增益（Hi Gain）失真模式，并包含延迟（Delay）效果。旋钮可调整延迟时间、反馈、混合比例、音色、音量和增益。\n\n它配备蓝牙，可连接手机进行伴奏；侧面设有吉他 INPUT 端口和耳机 PHONES 插孔，支持静音练习，并有两个脚踏开关用于切换通道。体积紧凑，十分适合在家或旅途中练习，省去了单独音箱的需要。照片中的橙色款略有使用痕迹，但功能正常。」}{}?Oops need correct JSON: It should be only one object with translated_text. My above has extra. Remove trailing {}? Let's provide proper. Ensure escapes? It's plain string with newline. It's okay. Let's output only the JSON. No extra stray. I'll deliver. Wait include proper escaping of newlines; within JSON string newlines can be actual newline characters. It's allowed. I'll keep
. Let's finalize. In JSON we must have only one key. Done. Remove the stray {}? I included {}? The content ends with