Product description
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Impedance range: up to 32 02
Frequency response range: 20-20000Hz
Ear plug battery capacity: 30mAh
Battery capacity: 300mAh (can provide about 3 headphone charges)
Headphone charging time: approximately 30 minutes
Charging time for the charging case: approximately 2 hours
Ear plug battery life: approximately 2.5 hours
Material and appearance: ABS
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