Portable Bluetooth...

Frequency Response Range: 20-20000 HzActive Noise-Cancellation: YesBuilt-in Microphone: YesBattery Capacity: 55 mAh

Bluetooth 5.1 technology ensures higher data transfer speed, stable and fast connection, and low power consumptionTrue wireless dual-ear design, left and right earphone channels are separated. It can be used solely or used in pairsTouch control design, no more physical buttons, no more pressure on your ears Easy to control music and calls, and activate voice assistantBuilt-in Mic on both earbuds with intelligent noise reduction delivers clearer and more real talking sound in stereo modeA 250mAh charging case can charge and store the earbuds 30mAh battery in each headphone ensures 5 hours of music playing time

Has engineered the precise, impressive sound found in big venues around the worldHeadphones reproduce that same sound, punching out bass that?s both deep and powerfulStream your favourite tunes in super high quality thanks to Bluetooth 5.0Built-in battery provides 16 hours of playing time, that can be quickly recharged in 2 hours with the type C cable15-minute recharge gets you 1 hour of playback

Elegant design and close to realistic sound quality.Offers powerful, balanced sound with dynamic range and noise isolation for a premium audio experience.Delivers fast and stable wireless connection to your device for extended range and minimal dropouts.