2.4GHz Wireless Headphones Call Center Earphone On Ear Headset with ENC Noise Reduction Microphone Adjustable Headband Volume Control

<strong>Features:<br />2.4GHz Wireless Connection:</strong><br />Supports 2.4GHz wireless connection, with USB receiver, no driver needed, plug and play, supporting up to 10 meters of wireless transmission distance.<br /><strong>Multi-purpose Headphones:</strong><br />Fits for making office business conference calls, call center phone calls, online courses, language learning, playing games, listening to music, etc.<br /><strong>Noise Canceling Microphone:</strong><br />External 180° rotary microphone with ENC noise reduction technology reduces environmental sound, enhances human voice, ideal for clear conversation.<br /><strong>Ergonomic Design:</strong><br />Lightweight design, adjustable headband length, soft ear pad provide maximum wearing comfort, suitable for different head size wearing.<br /><strong>Long Battery Life:</strong><br />Built-in rechargeable 300mAh lithium battery, 2 hours charging, can provide 20-40 hours of listening time and standby time is about 100 hours.<br /><br /><strong>Specifications:</strong><br />Frequency Range: 2.402GHz-2.480GHz<br />Operation Range: 10 meters<br />Frequency Response: 20-20KHz<br />Sensitivity: 108±3dB<br />Impedance: 40mm, 32Ω, 20mW<br />Battery Capacity: 3.7V 300mAh<br />Working Time: 20-40 hours<br />Standby Time: about 100 hours<br />Charging Time: 1-2 hours<br />Color: Black<br />Package Size: 22*16*7cm/8.7*6.3*2.8in<br />Package Weight: 220g/7.7oz<br /><br /><strong>Package List:</strong><br />1 * On-Ear Headset<br />1 * USB Receiver<br />1 * Charging Cable<br />1 * User Manual (English)<div><img src="/image/sub/earing_Headphones/v9767-1-0b82-q9cw.jpg" style="max-width:100%" /><img src="/image/sub/earing_Headphones/v9767-1-0b82-lsz1.jpg" style="max-width:100%" /><img src="/image/sub/earing_Headphones/v9767-1-0b82-hedg.jpg" style="max-width:100%" /><img src="/image/sub/earing_Headphones/v9767-1-0b82-60xj.jpg" style="max-width:100%" /><img src="/image/sub/earing_Headphones/v9767-1-0b82-qfgg.jpg" style="max-width:100%" /></div>