Features: brand new and high quality Wireless PC Headset provides noise reduction even in noisy environment. Perfect for online talk, conference calls, music, working from home, remote work, call center, education ,etc. Soft cover provides you all day comfortable to wear. There is a mute button on the microphone, just one press the for key to block your sound during talks when necessary. The mute button works only when make phone calls. Wireless bluetooth-compatible headset can pair with any bluetooth-compatible enabled devices and can connect with 2 devices at one for time,like cell phones,tablets,computers and so on. Specifications: Material:ABS Color:Black Cable Material:PVC Cable Length:100CM/39.37IN Sensitivity: 108dB±3dB Frequency Response:20-20KHz Horn:40mm/20mW/32Ω Operating Range: About 98.43 feet (30 meters accessibility) Bluetooth-compatible Version: 5.0 Headphone Battery: 300mAh Talking Time:About 30-60hours Charging Time:About 1-3hours DC5V1A Charging Port:Type-C Package Includes: 1x Wireless Earphone 1x Charging Cable 1x Manual note: Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, please allow an error of 1-2 for cm.