Features & details AI Noise Cancellation: Our wireless headset adopts advanced AI Environmental Noise Cancelation technology. It can block out most background noise (Such as children crying, dogs barking, tv background sound...). Your voice will be heard loud and clear in all your calls, no matter how noisy your surroundings It is the perfect choice for remote workers. 65H Battery Life & Exclusive Charging Base: Our bluetooth headset provides over 65 hours of working time and 40 hours of talking time after fully charged. It can support your work 8 hours a day and only needs to be charged once a week. Besides, wireless headset with microphone for pc comes with a plug-and-play charging base, you can use it to charge the headset. The charging base has a slot for USB dongle. You can put the dongle into it when don't use, no longer to worry about losing USB dongle Bluetooth V5.2 & 2.4G USB Dongle: The Bluetooth version is V5.2, which can provide a more stable and fast connection.