Fone de ouvido Bluetooth 5.4 com microfone ajustável e cancelamento de ruído para call center, compatível com celulares.

feature: ●Noise Cancellation Communication - The Bluetooth call center headset features noise cancellation that keeps background noise out and cleans surrounding noise to create clear communication. ●Comfortable to wear - the microphone supports 270° rotation. Adjustable headband, suitable for heads of different sizes, without feeling fatigue or pain even if worn for a long time. ●Universal compatibility - This call center bluetooth headset can connect to computers, phones, desktops and other devices with bluetooth devices to achieve clear, stable and smooth communication without jams or delays. ●Charging base-convenient for earphone storage and earphone charging, making your computer desktop cleaner and more beautiful. Let you work easily. ●Long talk time - Type-C fast charging, it has a built-in 300mAh lithium battery, which can provide you with long continuous talk time of up to 20 hours. You don't have to worry about it suddenly losing power. ●Upgraded bluetooth - The advanced bluetooth CSR8615 chip ensures the stability and smoothness of the connection, thereby providing you with stable and smooth phone calls and allowing you to receive excellent customer service. ●HiFi sound quality-Extremely experience HiFi lossless music, and experience real and shocking sound quality. Clean and thorough, using PET diaphragm to restore the true original sound. Parameter: *Product name: Bluetooth headset *bluetooth version: 5.4 *Transmission distance: 10 meters *Battery capacity: 300mAh *Working hours: 20 hours *Charging time: 2 hours *Input voltage: DC5V 1A *Charging port: Type-c *Frequency response: 20HZ-20KH *Speaker impedance: 32Ω *Speaker diameter: 30mm *Microphone sensitivity: 105db *Speaker output power: 20mW *Product material: ABS *Product color: black Package include: 1*bluetooth headset 1*type-c cable 1*base 1*User Manual hint: 1. Due to manual measurement, please allow 1-2cm error! 2. Due to different display resolutions, please take into account slight color differences!