Qualities Weight and dimensions of the CMF Buds Pro 31.6 x 21.6 x 22.5 mm are the headphones. 4.8 grams. Cameras in boxes: 58 x 58 x 24 mm. 44.5 grams. drivers that are dynamic 10 mm composed of polyurethane and a monodynamic liquid crystal polymer. Autonomy and battery Headphones: 55 mAh, with a 6.5-hour battery life with ANC or up to 11 hours without. Box cameras have a 460 mAh battery that lasts for up to 22 hours when using ANC or 39 hours when not. IP54 is resistant to dust and water. Technologies for audio Clear Voice for call noise cancellation with three microphones (each earbud), active noise cancellation up to 45 dB transparency mode Low latency mode, AAC and SBC codecs, and Ultra Bass by Nothing. 5000 Hz is the frequency range. Extras and connectivity Bluetooth version 5.3