Poly Voyager Legend 50-M UC Wireless Bluetooth Headset (AJ8V4AA)

The Poly Voyager Legend 50-M UC (AJ8V4AA) is an in-ear monaural wireless headset designed for PC and smartphone connectivity. It supports wireless connection through Bluetooth, the BT700 USB Type-C Bluetooth adapter, or the included USB Type-C to USB Type-A adapter. The headset uses Bluetooth Core 5.4 and supports A2DP 1.3, DID 1.3, HSP 1.2, BAS 0.0, AVRCP 1.5, and HFP 1.6 profiles. It can pair with up to 8 devices and supports multipoint technology, allowing connection with two devices simultaneously. The headset features a 13.6 mm speaker with a bandwidth of 100 Hz to 20 kHz. The noise-cancelling microphone has a bandwidth of 100 Hz to 8 kHz, while the microphone boom measures 74.8 mm. The speaker sensitivity is specified as 95.5 dB SPL at 1 kHz with 200 mV input, and the microphone sensitivity is -37 dB FS/Pa. The speaker signal-to-noise ratio is greater than 68 dB and the impedance is 16 ohms.

The rechargeable Li-ion battery provides up to 30 hours of talk time, consisting of up to 10 hours from the headset plus 20 additional hours through the charging case. Charging takes less than 1.5 hours. The headset includes WindSmart technology and Microphone NoiseBlockAI, and provides controls for power, mute, volume, pairing, call answer, call ignore, call end, and voice assistant functions. Smart-sensor technology is also specified, while voice alerts provide mute, incoming-call, and battery-status notifications. The headset weighs 20.5 g, while the charging case weighs 100 g. It supports Windows 11, macOS, Android, and iOS and is Microsoft Teams certified. The package includes the headset, charging case, USB Type-C charging cable, BT700 Bluetooth Type-C adapter, USB Type-C to USB Type-A adapter, and quick start guide.