BLUETOOTH 4.0 HEADSET: Signature Plantronics audio technology coupled with enhanced voice clarity through Bluetooth 4.0 and wideband audio support. SMART SENSOR TECHNOLOGY:...

Experience brilliant, HD streaming audio plus natural, clear calls Smart Sensor technology manages your calls and automatically performs time-saving functions Monitor...

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Immersive, high-fidelity audio Sweat-proof, durable design Stable, comfortable fit Deep Sleep power-saving mode Up to 4.5 hours of listening time...