$27.97
. Omnidirectional headset, clear calls and softer voice . Rotatable and flexible microphone, suitable for long-term use . Suitable for call center, home work, distance learning . Adjustable headband, comfortable to wear . Cross-platform compatibility, suitable for PCs, laptops or other devices that support 3.5mm interface Product specification Frequency response: 20Hz-20kHz Speaker size: 40mm Sensitivity: 112dB ± 3dB Rated power:...