New in Box Sony Noise Canceling Earbuds WF-1000XM4 Silver Description Industry-leading noise canceling bluetooth earbuds with the new Integrated Processor V1.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears.Battery Charge Time : Approx. 1.5 hrs. Battery Life (continuous music playback time)Max. 8 hrs (NC On) / Max. 12 hrs (NC Off)..Magnet : High-power neodymium magnets Product Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears Exceptional sound quality with new Integrated Processor V1 and supporting LDAC codec. Crystal-clear call quality, beamforming microphone and a bone-conduction sensor provide clear voice detection even in noisy environments.Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on Speak-to-chat technology automatically reduces volume during conversations IPX4 Water resistance Easy wireless charging with Qi technology Ergonomic surface design for stable fit