Specification:
1.Bluetooth Version: Bluetooth 5.2
2.Codecs: SBC、AAC、aptX、aptX Adaptive
3.Active Noise-Cancellation: No
4.Bluetooth Chipset: QCC3040
5.Maximun Working Range: 33feet/10m(no abstacle)
6.Playing Time: About 5 Hours (volume at 60%)
7.Earbuds Charging Time: About 1.5 hours
8.Case Charging Time: About 2 Hours
9.Charging Case Recharge Earbuds: 3 times