* Operating frequency: 20-20000Hz
* Sound level/Sensitivity 110 dB
* Intelligent noise reduction
* Headphone battery capacity: 45mAh
* Charging case capacity: 400mAh
* Time to charge the headphones: up to 2 hours.
* Time to charge the box: 3 hours.
* Up to 40 hours of battery life
* Smart Touch Control
* Bluetooth version: Bluetooth 5.2