Lenyes ANC Active Noise Cancelling Wireless Bluetooth On-Ear Headphones, Android and iPhone Compatible

LH25 1.Bluetooth version:V5.3 2. Speaker size: 40MM 3.Speaker impedance:64Ω 4.Frequency range:20Hz-20KHz 5.Sensitivity:105dB@1KHz 6 Headphone capacity: 300mAh 7 Charging time: 2.5 hours 8.Music with noise-canceling playing time: about 25 hours Playing time without noise reduction: about 36 hours 9.Connection Distance:≧10 meters 10.Noise Reduction Depth:22±3DB Material: 1. Material: ABS material + high protein leather earcups 2. Headphone function button material: TPE