1.Item name: Lenovo HT78
2.Active noise reduction: 20-23dB
3.Resistance: 16Ω
4.Bluetooth Version: 5.0
5.Earbuds: 60mAh each
6.Standby time: About 150 hours
7.Playing time: About 5 hours
8.Driver Diameter: 13mm
9.Color: Black