Bluetooth version: V5.3 Chip: Jerry AC6983 Battery capacity: charging case 300mAh, earphone 30mAh Use time: 4 hours Standby time: 150 hours Dimensions: 60.6x45.2x21.7mm Weight: 57.6g Support master-slave switching, up and down song switching, calling Sir, binaural talk, pressure-sensitive operation Does not support pop-up window function, does not support wireless charging function Light weight, easy to carry Earbuds are ergonomically designed for a snug fit and comfortable fit ]]>
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