1. Frequency response: 20-20KHZ 2. Rated power: 2mW 3. Small and light 4. Skin-friendly soft silicone body 5. Comfortable to wear, no ear pressure during sleep 6. 3.5mm gold cross pin
1. 频率响应 : 20-20KHZ 2. 额定功率 :2mW 3. 小巧轻盈 4. 亲肤柔软硅胶机身 5. 佩戴舒适,睡眠不压耳 6. 3.5mm渡金插针
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