耳机
| 耳机耦合 |
Supraaural |
| 耳机灵敏度 |
85 dB |
| 耳机频率 |
20 - 20000 Hz |
| 驱动装置 |
12 mm |
| 穿戴风格方式 |
Head-band |
IronKey Defender FreeMotion B611. Ear coupling: Supraaural, Wearing style: Head-band, Headphone frequency: 20 - 20000 Hz. Connectivity technology: Wireless, Device interface: Bluetooth, Wireless range: 10 m. Battery life (max): 7 h, Battery technology: Lithium, Charging source: USB. Colour of product: Black