Experience consistent call performance with the Voyager Legend 50-M UC Headset from Poly, which uses NoiseBlockAI and WindSmart technologies to ensure you enjoy uninterrupted, high-quality calls by blocking out unwanted background noise. With a roaming range of up to 98' via Bluetooth 5.4, the Voyager Legend 50-M UC is equipped with four noise canceling mics and remembers up to 8 devices, while being able to simultaneously connect to two. When fully charged, the battery lasts for up to 10 hours and may be recharged in around 1.5 hours using the included charging case, which holds two additional charges when fully charged.