Supported Plantronics Headsets. Compatible with Voyager and Blackwire Series. Powered (AC Adapter)110-240 AC. Bluetooth Range Up to 30 ft/ 9.1 m. Bluetooth Technology. Bluetooth v4.2 (including BR, EDR, BLE) Audio Profiles A2DP, AVRCP, HFP, HSPNFC (near field communication) Not included. Codecs G.722, G.711, G.729. Receive Audio Performance. Bluetooth. Receive Frequency Response. WB: 100 Hz – 6800 Hz Speaker Sensitivity 81.5 dB SPL Speaker Impedance 4 ohms. Speaker Size 50 mm. Hearing Protection. Plantronics Anti-Startle. Microphone & Technology. Omni directional Microphone Frequency Response WB: 100 Hz – 6800Hz. Microphone Sensitivity-16dB. VWeight 650 g (or 1.43 lbs) (E60 E)Call Controls. Call answer/end, mute, volume up/down. Media Controls Play,  pause,  skip next. Languages. Configurable by Poly Elara 60 Series app. Worldwide Limited Warranty NA = 1 year; EMEA = 2 year; APAC = 2 years Applications SupportedMicrosoft Teams, Poly Elara 60 Series app. Plantronics Manager Pro Suites Supported. Dependent on headset and Poly Elara 60 Series model. Mobile phone charging. Wired and wireless (E60 E, E60 W, E60 WS, E60 WSH) Display2.8 inch LCD 240 x 320 IPS