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蓝牙版本:5.0 JL6973D4
耳机内电池:40mAh 不带保护PCB
充电盒内电池:320mAh 带保护 PCB
扬声器:10mm
阻抗:32ohm
频率:20-20kHz
灵敏度:105dB+-3dB
工作时间:6-7小时
待机时间:168小时
充电盒内数字显示
注塑颜色:白色或黑色
封闭的盒子
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