SRS-XB23 Extra Bass...

Dual noise sensor technology, featuring two microphones on each earcup, captures ambient noise and passes the data to the HD Noise Cancelling Processor QN1. Using a new algorithm, the HD Noise Cancelling Processor QN1 then applies noise-cancelling processing in real time to a range of acoustic environments.To maximise noise-cancelling performance, the WH-1000XM4 headphones incorporate two technologies: Personal Noise-Cancelling Optimiser, designed specifically for you, and Atmospheric-Pressure Optimising, designed specifically for air travel.Adjust ambient sound with the Sony | Headphones Connect app to cancel noise while still allowing essential sounds, like transport announcements, through when you're listening on the move.A built-in analogue amplifier integrated in the HD Noise Cancelling Processor QN1 realises an unmatched signal-to-noise ratio for low distortion and exceptional sound quality for portable devices.Powerful 40-mm drivers with Liquid Crystal Polymer (LCP) diaphragms make the headphones perfect for handling heavy beats and can reproduce a full range of frequencies up to 40 kHz.

For over 70 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL sound, punching out bass that?s both deep and powerful.Micro USB charging built-in battery provides up to 8 hours of playing time, with recharge in just 2 hours or 15 minutes for one-hour (max) top-up.Ensures that the headphones remain comfortably secure and tangle-free around your neck when not in use.Enjoy wireless calls and manage your music hands freeAllows you to effortlessly switch from one bluetooth device to another.

Lenovo half in-ear earphone features high-grade cable, remote control and dynamic drivers maintain great musicality and comfortFinely engineered dedicated dynamic drivers handle treble, mids and bass and produces Energetic, rhythmic, and Hi-Fi soundFurnished with top-class ear case and superior cables ensure priceless comfort and lasts longer than a usual earphoneExperience the crystal-clear sound output regulation, brought you by the built-in brand new remote control, thanks to the unrivalled mic for noise-free calling

BT 5.0 technology ensures higher data transfer speed, more stable and fast connection, and lower power consumptionTrue wireless dual-ear design, left and right earphone channels are separatedTouch control design, 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 talking sound in stereo mode40mAh battery in each earbud ensures about 3 hours of music time