Krüger & Matz KM0670 Mode D'emploi page 9

Owner's manual
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
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