H51/H51N 至尊型耳機
Plantronics Supra H51至尊型
- Adjustable headband
- Lightweight 1.7 ounce
- Patented SoundGuard circuity
- 内置软垫，配带舒适
- 音质佳
Plantronics Supra NC H51N无杂音耳机
- Noise candelling circuirty/microphone
- Unidirectional microphone on flexible boom reduces transmission
of background noise up to 75%
- 备有噪音减声功能
- 调较容易，配戴舒适