Krüger & Matz KM0670, Руководство пользователя

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9
Owner’s manual
EN
Charging
Connect the headphones to AC charger or a computer USB port. Red
LED keeps lighting during charging. Once the charging is completed,
the Led is off.
Note:
• use only original accessories to charge the headphones.
• charge the headphones at least once every 3 months to keep its
battery in good condition.
• the headphone’s battery must be charged in order to use them in
Bluetooth mode. However, when using in AUX mode ( without ANC
function), the headphones will work even if the battery is empty.
anc
• After turning the ANC function on, you may hear a slight hissing
noise, this is normal and will cease after a few seconds.
• ANC function is only available if the headphones’ battery is charged,
even when using in AUX mode.
Specification
• Speaker size: 40 mm
• Magnet: neodymium
• Frequency response: 20 Hz-20 kHz
• Impedance: 32 Ω
• S/N ratio: 90 dB
• SPL (Sound pressure level): 95 dB ±3 dB
• Nominal input power: 20 mW
• Maximum input power: 40 mW
• ANC (active noise cancellation) function
• Over -15 dB noise reduction (in 50~500 Hz range)
• Bluetooth: 4.0
• Bluetooth range: up to 10 m
• Bluetooth profiles: HSp v1.2, HFp v1.3, A2pd v1.3, AvRCp v1.5, Spp
v1.5
• Built in microphone
• Microphone sensitivity: -42 dB ± 3dB