Reliable Office Connectivity – Clear Calls and Comfort

The YEALINK BT51-A is a wired USB-A dongle designed for professionals needing seamless communication in office and call center environments. It ensures stable connectivity and enhanced call clarity when paired with BH7X series headsets, boosting productivity throughout the workday.

🎧 Sound & Audio Quality

• Driver/Speaker Technology: High-quality drivers optimized for clear voice and natural sound reproduction
• Frequency Response: Wide range supporting crystal-clear speech
• Noise Cancellation: Passive noise isolation to minimize background distractions
• Audio Features: Seamless audio transmission with reduced latency

🎤 Microphone & Communication

• Microphone Type: Compatible with BH7X headset’s boom mic for clear voice pickup
• Noise Cancellation: Background noise reduction via headset mic technology
• Voice Technologies: Supports Yealink’s proprietary audio enhancements for speech clarity
• Call Features: Supports mute and call control when used with compatible headsets

🔌 Connectivity & Controls

• Connection Type: Wired USB-A dongle for reliable, plug-and-play use
• Platform Compatibility: Compatible with major UC platforms when paired with the BH7X series
• Controls: Controls depend on connected headset features
• Multi-device: Single device connection for stable office use

😌 Comfort & Design

• Wearing Style: Head-band compatible devices offering all-day comfort
• Ear Cushions: Dependent on BH7X headset – usually memory foam for comfort
• Weight: Lightweight USB dongle adding minimal load
• Build Quality: Durable design matching professional office environments

📦 What's in the Box

• YEALINK BT51-A USB-A Dongle
• Quick start guide
• Compatible cables and documentation (with headset)

🛡️ Warranty

Backed by a 2-year manufacturer warranty.

Enhance your office calls with reliable connectivity and clear communication using the YEALINK BT51-A dongle.