P/N: 87506-12 Bluetooth-enabled Corded USB Headset with Smart Sensor Technology FEATURES Dual connectivity Smart sensor technology Wearing style options Go mobile Professional audio quality Indicator lights Music/Multi-media Durable carrying case SPECIFICATIONS Connects to PC via USB, mobile phone or tablet via Bluetooth Ideal for Users with extensive PC audio and some mobile phone communications Compatible with Windows® or Mac OS Talk time Up to 10 hours, up to 10 days standby time, up to 6 hours listening time (A2DP) Wireless frequency Bluetooth v3.0 + EDR Audio performance Dynamic EQ, microphone frequency response 100 Hz–8kHz optimal for wideband voice telephony (up to 6,800 Hz), hi-fi stereo output from 20 Hz–20 kHz (C720 only), enhanced digital signal processing (DSP), noise-cancelling microphone, A2DP C710 (monaural)/C720 (binaural/stereo) UC standard version built for UC applications and softphones from Avaya®, Cisco®, IBM®, Skype® and more* C710-M (monaural)/C720-M (binaural/stereo) Certified for Skype for Business and optimized for Microsoft® Lync®