ACME BH420, User Manual

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4
GB BLUETOOTH EARPHONES
User manual
Technical specifications
Type:
in-ear, Bluetooth
Frequency response:
20-20,000 Hz
Driver size:
8,2 mm
Bluetooth version:
v5.0 + EDR
Frequency range:
2.4–2.48 GHz
Maximal output radio frequency power:
8 dBm / 6,3 mW
Working distance:
up to 10 m
Power supply:
USB Type-C, 5 V DC
Microphone:
built-in
Battery (charging case):
Li-ion, 3.7 V , 450 mAh (1.67 Wh)
Earphones charging time:
up to 1,5 hours
Charging time of the charging case:
up to 2 hours
Standby time:
about 400 hours
Playback time:
up to 5 hours
Recharging with the charging case:
3 times
Total weight:
40 g
WARNING: Listening at a high volume for a long time may damage your
hearing.
Product overview
1) Power (multifunction button)
2) Indicator light and MIC
3) Speaker
4) Charging contacts
5) Charging indicator
6) Battery status button
7) USB Type-C charging port
1
2
3
5
7
6
4
Before you start using the earphones, you must charge the battery and pair
the earphones with a compatible device.
Charging the earphones and charging case
The BH420 charging case has an internal, rechargeable battery that must be
fully charged before being used for the first time. It takes about 2 hours to
fully charge the battery for the first time. If you do not use the device for a long
period of time, please charge it once every 2 months to avoid damage to the
battery.