Poly Voyager Legend 50-M UC Bluetooth Headset

The Poly Voyager Legend 50-M Headset UC (AJ8V4AA) has been designed for professionals who require crystal-clear communication in busy environments. Whether calls are being made from crowded cafés, airports, offices, or outdoor locations, advanced AI-enhanced noise cancellation technology ensures that background distractions are minimized while the user’s voice remains clear and focused. Equipped with four noise-canceling microphones and an aerodynamic boom design, premium call quality is consistently maintained throughout the workday.

Built for hybrid work and mobile productivity, this wireless mono Bluetooth headset offers seamless compatibility with PCs, smartphones, and tablets through Bluetooth® 5.4 and the included BT700 USB Type-C® adapter. A lightweight ergonomic ear loop and multiple earbud sizes provide a secure and comfortable fit for extended wear, while the mono in-ear design keeps one ear open for improved environmental awareness during calls and daily activities.

Extended mobility has been supported with a portable wireless charging case that increases total talk time up to 30 hours. Smart sensor technology simplifies call handling by automatically answering calls when the headset is worn and enabling mute functionality when removed. With intuitive button controls, reliable Bluetooth connectivity, and enterprise-grade audio performance, this headset has been tailored for professionals who demand flexibility, comfort, and dependable communication.

Key Features

AI-Enhanced Noise Cancellation

Poly NoiseBlockAI technology has been integrated to identify and reduce background noise using machine learning, ensuring clearer conversations in noisy environments.

Four Noise-Canceling Microphones

An advanced microphone system with four microphones has been engineered to improve voice clarity and minimize surrounding distractions during calls.

WindSmart Technology

Six layers of WindSmart technology automatically detect wind direction and adjust audio performance to maintain clear voice transmission outdoors.

Wireless Charging Case

A compact Qi-wireless charging case extends talk time from 10 hours up to 30 hours, making all-day communication more convenient while traveling or commuting.

Smart Sensor Controls

Calls can be answered automatically when the headset is worn, while mute functionality is activated when the headset is removed for hands-free convenience.

Multi-Device Compatibility

Connectivity has been optimized for PCs, laptops, smartphones, and tablets through Bluetooth®, USB Type-C®, and USB Type-A compatibility.

Ergonomic Mono Design

A lightweight monaural in-ear design keeps one ear free for enhanced awareness of surroundings while maintaining all-day comfort.

Simple Button Controls

Dedicated physical buttons allow volume adjustment, muting, call management, pairing, and voice assistant access without interruption.

Specifications

General

• Model: Poly Voyager Legend 50-M Headset UC (AJ8V4AA)
• Color: Black
• Headphone Type: In-ear (monaural)
• Microphone Type: Noise cancelling
• Ear Cushion Material: Silicone
• Speaker Size: 13.6 mm

Compatibility

• Compatible with PCs and smartphones
• Connectivity via Bluetooth®, USB Type-C® BT700 adapter, or USB Type-C®/A adapter
• Compatible Operating Systems:
  • Windows 11
  • macOS
  • Android™
  • iOS

Bluetooth & Connectivity

• Bluetooth Version: Bluetooth® Core 5.4
• Supported Bluetooth Profiles:
  • A2DP 1.3
  • DID 1.3
  • HSP 1.2
  • BAS 0.0
  • AVRCP 1.5
  • HFP 1.6
• Paired Devices: Up to 8

Audio & Microphone

• Microphone Sensitivity: -37 dB FS/Pa
• Signal-to-Noise Ratio: >68 dB
• Speaker Sensitivity: 95.5 dB SPL at 1 kHz with 200 mV input
• Speaker Bandwidth: 100 Hz to 20 kHz
• Microphone Bandwidth: 100 Hz to 8 kHz
• Impedance: 16 ohms
• Acoustic Protection Technology: SoundGuard 1

Battery & Charging

• Battery Type: Rechargeable Li-ion
• Talk Time: Up to 30 hours total (10 hours headset + extra 20 hours with charging case)
• Charge Time: Less than 1.5 hours
• Charging Type: Charging case with Qi wireless charging support

Controls & Smart Features

• Voice Alerts:
  • Muted
  • Incoming call
  • Battery status
• Voice Commands:
  • Answer
  • Ignore
• Button User Controls:
  • Power on/off
  • Mute
  • Volume +/-
  • Pairing
  • Call answer/ignore/end
  • Voice Assistant

Dimensions & Weight

• Boom Mic Length: 74.8 mm
• Headset Dimensions: 102.89 x 29.3 x 63.93 mm
• Charging Case Dimensions: 114.48 x 63.49 x 24 mm
• Package Dimensions: 91 x 55 x 145 mm
• Headset Weight: 20.5 g
• Charging Case Weight: 100 g
• Package Weight: 220 g

What's in the Box

• USB Type-C® charging cable
• Quick start guide
• Headset
• Charging case
• BT700 Bluetooth® Type-C® adapter
• USB Type-C® to USB Type-A adapter

Conclusion

The Poly Voyager Legend 50-M Headset UC (AJ8V4AA) delivers professional-grade wireless communication with AI-powered noise cancellation, long-lasting battery performance, and advanced smart controls. Designed for hybrid work, travel, and mobile productivity, reliable call clarity and all-day comfort have been combined in a lightweight and durable mono Bluetooth headset solution.