Nothing CMF Buds 2 Plus TWS Earbuds With Adaptive Noise Cancellation

Drivers: custom 12mm dynamic diaphragm: lcp (liquid crystal polymer) + pu (polyurethane) audio codec: aac, sbc, ldac features personal sound profile spatial audio effect ultra bass technology 2.0 custom eq tuning by nothing battery battery type: rechargeable li-ion battery fast charging via usb c: 10 min charge for 4.5h (buds only), 8.5h (with case) via case only: 10 min charge for 2.4h (buds only), 4.4h (with case) playback anc off: 61.5 hours with case and 14 hours with buds only anc on: 33 hours with case and 7.5 hours with buds only ldac anc off: up to 36 hours with case and up to 8 hours with buds only anc on: up to 25 hours with case and up to 5.5 hours with buds only talk time anc off: 34 hours with case and 8 hours with buds only anc on: 29 hours with case and 6.5 hours with buds only noise cancellation depth: up to 50 db