Yealink WH64 DECT & Bluetooth Mono UC Wireless Headset, 606ft Long Range Work Headphones, 3X Noise Cancelling Mic, 26H Calls,Ringtone, Office.

606ft Dual-Mode Freedom: DECT & Bluetooth dual mode connects 3-devices (PC/IP Phone/Mobile) simultaneously, enabling a switchable ecosystem. DECT work headset offers 606 ft ultra-long range, strong anti-interference, and secure call encryption. AI Noise-Canceling Headset: 3x noise-canceling mic and Acoustic Shield Tech 2.0 create a quiet zone in chaos. Call control, busylight, quick mute (Button or Boom Lift), ringtone to achieve immersive work. Power That Lasts: 48 hrs (Dual)/41 hrs (Mono) music, 32 hrs (Dual)/26 hrs (Mono) calls, but only 1.5 hours of fast charging, 195 hrs (Dual)/157 hrs (Mono) standby. Phone headset for office compatible with 100+ platforms and operating systems for effortless connectivity. Ergo Bluetooth Headphones: Nano breathable memory foam and hydrolysis-resistant leather wireless headset with mic offers lasting comfort. Adjustable headband, ±90° rotatable earcups adapt to your fit, and balanced clamping force disperses pressure for anti-gravity wea