(PRESENCE UC DISCONTINUED) Product Sennheiser Presence Catalog 2176 P/N 504576 Warranty 2 years Compat Bluetooth enabled devices Description Bluetooth 4.0 headset with 3 noise cancelling mics! Set-Up Instructions HDSA #1963 Manufacturer Sennheiser Manufactured in China. Engineered in Denmark. Type Bluetooth 4.0 Wearing Style On the Ear Range 82 ft./25 m Weight.5 oz Microphone Digital Mems-mic (3 NC mics) Earpiece Rubberized ear buds Color Black & silver Special Tech A2DP – allows multimedia audio streaming SpeakFocus™ technology – enhances HD voice clarity in all sound environments WindSafe™ technology – reduces wind noise Battery Life 10 hours talk time, 14 days standby time Reversible Yes Lifter Compatible No Busy Light Compat No Connections Bluetooth, PC with USB dongle DC Adapter Compat Yes Digital Encryption N/A What's in the box? Presence headset, earloop, USB charging cable, car charger, USB Bluetooth dongle, spare ear buds, user guide & safety guide Additional Info: Mic Freque…