Poly Plantronics Specia Order Supra SMH1783-11 91783-11
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bluetooth headset, radius of action 30 m, earbuds, microphone: 100 – 8000 Hz, -40 dB, noise cancellation, battery: 80 mAh, up to 6 h
speakerphone, USB, radius of action 30 m, microphone: 100 – 10000 Hz, battery: up to 15 h
bluetooth headset, radius of action 10 m, earbuds, noise cancellation, battery: up to 6 h
bluetooth headset, radius of action 10 m, earbuds, noise cancellation, battery: up to 5 h
bluetooth headset, radius of action 30 m, earbuds, noise cancellation, water protection, battery: up to 7 h
