* Bluetooth version: 5.4.
* Headphone battery capacity: 25mAh.
* Case battery capacity: 300mAh.
* Talk time: About 3 hours.
* Music listening time: about 4 hours.
* Charging time: About 1.5 hours.
* Frequency range: 20Hz - 20kHz.
* Range: 10m.
* Material: ABS.
* Warranty: 12 months.