Grandstream GUV3050 HD Bluetooth Headset — Binaural Wireless Headset

Key Features:

• HD Bluetooth Audio: High‑definition wireless sound for clear voice communication.

• Dual‑Device Pairing: Connects to up to two Bluetooth devices simultaneously.

• Noise‑Canceling Microphone: Reduces background noise for crisp call quality.

• Integrated Busy Lights: Ring‑shaped busy indicators on both earcups signal call status.

• Comfortable Binaural Design: Adjustable headband with comfortable ear cushions for extended wear.

• In‑Line Controls: Easy access to hook off/on, mic mute, and volume up/down from headset controls.

• USB Dongle & Charging Base: Includes USB Bluetooth adapter and base station for charging and connectivity.

• Wide Compatibility: Works with Bluetooth‑enabled devices, USB‑enabled systems (via dongle), Grandstream IP phones, major communication platforms, and softphones (e.g., Grandstream Wave and IPVideoTalk Meetings).

• Extended Talk Time: Battery supports long talk sessions on a full charge (up to ~8–12 hours depending on usage).

Hardware & Technical Specs:

• Bluetooth: Class 2, Bluetooth 4.2 (upgradable to Bluetooth 5.0 on some units).

• Connection: Bluetooth with included USB dongle for device compatibility.

• Audio Bandwidth:

  • Music Mode: ~20 Hz – 20 kHz

  • Communication Mode: ~150 Hz – 6.8 kHz

• Talk Time: Up to ~8–12 hours (model and usage dependent).

• Charging Time: ~3 hours typical.

• Busy Light: Integrated red lights on both earcups during calls.

• Mic Type: Boom arm with noise‑canceling unidirectional microphone.

• Controls: Hook off/on, mute, volume up/down.

• Compatibility: Bluetooth devices, USB‑connected systems, IP phones, and major platforms/softphones.

• Comfort: Adjustable headband, binaural earcups.