Poly Voyager Legend

Battery life Up to 11 days (standby time); Up to 7 hours (talk time); Up to 21 hours (talk time with charging case) Call answer/end; Mute; Volume +/-; Play/pause; Voice Assistant Bluetooth Profile A2DP; AVRCP; HFP; HSP 1.2 Charge Plug USB Type-A to magnetic USB cable Audio Features Smart sensor technology; Echo cancellation; Sidetone detection; Internal adaptive 20-band equalizer Acoustic Protection Technology SoundGuard[1] Voice Alerts Volume maximum; Volume minimum; Mute on; Mute off; Muted; Connection status; Talk time; Battery low