model: Y105 Bluetooth version: 5.4 Speaker size: 13mm, copper ring composite film Battery earphones: 35mA Charging case: standard 400mAh Charging time: 1 hour for earphones; Charging compartment for 1.5 hours Play time: Play 5H 80% Noise reduction depth: In ear noise reduction depth of 25 ± 3db Transmission distance: 10 meters Color:all
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