Oraimo Rhyme ANC Active Noise Cancellation True Wireless Earbuds with a 4-mic beamforming technique and an AI call noise cancellation algorithm, oraimo Rhyme can greatly suppress unwanted interference in calls, so you can always be heard clearly. Immerse yourself in pure music by turning on ANC mode to block out background noise. Stay focused on your own content. Oraimo Rhyme features a bass-enhancing dynamic 10mm driver with a composite diaphragm to boost the bass, delivering an amazing listening experience. Up to 6.5 hours on a single charge; the case provides an additional 13.5 hours ( ANC OFF). Up to 5 hours on a single charge; case provides an additional 10 hours ( ANC ON). Turn on Low-latency Game Mode in Oraimo Rhyme that is as low as 45ms for smoothly synced game audio and video.