model: Y92S
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: Normal playback for 5H at 80% volume; Noise reduction playback at 4H and 80% volume
Noise reduction depth: In-ear noise reduction depth of 25 ± 3db
Transmission distance: 10 meters