ROCK O3 ANC Wireless Headphones – ( Black )

1.Bluetooth version:Bluetooth V5.2
2.Bluetooth pairing name: ROCK O3
3.Barrier-free transmission distance;about 10 meters
4.Drive unit:φ40mm
5.MIC sensitivity:Omnidirectivity
6.Frequency response range:20Hz-20kHz
7.Music time:About 15 hrs
8.Charging time:About 2 hrs
9.Battery capacity:400mAh
10.Material:Al-alloy+ABS+PU
11.Headphone weight:About 216g