Portable Wireless...

Has the function of suppressing background noise, boosting low frequenciesLED display at the charging box has the digital charge indicator, mic sensitivity range is about -42dB?3dBBattery life is about 8 hours in active modeFast and stable connection through Bluetooth 5.0High quality of sound with strong bass due to 10 millimetres size dynamics

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

Driver sensitivity range is about 1kHz/1mW (dB) with impedance 14 ohmsDynamic frequency response range is about 20Hz?20 kHzWith up to 25 hours 5 hours from the earbuds and 15 hours from the case of battery lifeBluetooth frequency range is up to 2.4-2.4835 GHzTransmitted modulations are GFSK, ?/4 DQPSK, 8DPSK and 55mAh 3.7V battery