Description: The Yealink UH38 Dual Teams with BAT Headset features dual noise-canceling microphones which effectively block out background noise, ensuring clear communication It includes a visible busylight that indicates availability status to others This headset supports dual device connection allowing users to connect to two devices simultaneously It comes with a built-in battery for extended use and features built-in Bluetooth 5. 1 for wireless connectivity The headset also supports both call and music modes, providing flexibility for users who need to switch between tasks seamlessly. Features and Benefits: •Dual noise-canceling microphones for clear sound. •Visible busylight to indicate availability status. •Connects to two devices simultaneously. •Built-in battery for extended usage. •Built-in Bluetooth 5.1 for wireless convenience. •Supports both call and music modes. Technical Specifications General Headset cable length: 0.8 m (from headset to call control unit) USB cable length: 1.2 m (from call control unit to USB plug) Supported operating systems: Microsoft Windows 8/8.1/10, Apple Mac OS Color: Black Weight (headset): UH38 Mono: 110 g /3.8 ounces - UH38 Dual: 180 g/6/3 ounces Weight (headset and wire-control): UH38 Mono: 133.5 g /4.7 ounces - UH38 Dual: 210 g/7.4 ounces Main features USB connectivity to Yealink IP phones HD Voice/Wideband speaker performance Noise-canceling microphone and passive noise cancellation ActiveProtection technology safeguards users from acoustic injury Integrated LED indicator and warning tone 320 bendable boom arm for easy adjustment without breaking Optional connections for UH38: USB 2.0, Bluetooth 5.1 Battery Talk time: up to 7 hours ?9 hours with busylight off) Music time: 14 hoursBattery capacity: 200 mAh Microphone Microphone type: Uni-Directional ECM Microphone frequency response range: 100 Hz-14 kHz Microphone bandwidth: Wideband Microphone Sensitivity: -44.0 dB re. 1 V/Pa Speaker Speaker size: 35.0 mm Speaker sensitivity: 1153 dB SPL @ 1 kHz Speaker frequency response range: 20 Hz-20 kHz Speaker impedance: 32 ?, @ 1.0 kHz Speaker input power: max 10 mW Speaker bandwidth: Wideband Call Management Buttons Answer/End/Reject/Hold a call Volume up/down Microphone mute Redial last outgoing call The item will be shipped directly from our supplier.