WIRELESS EARPHONES – USER MANUAL
COSMOS – BTW02N
1. Characteristics
1.1 Technical specifications
Earphones playtime: 6 hours
Case playtime: 18 hours
Earphones battery: 50 mAh
Case battery: 400 mAh
Frequency range: 20 Hz - 20 kHz
Protection rating: IPX4 (against sweat proof)
Operation range: 10 meters
Connectivity: Bluetooth 5.4
Bluetooth frequency range: 2.402-2.480 GHz
Maximum transmitted power in frequency ranges: 4 dBm
Technology: Open Ear
Sensitivity: 115±3dB
Impedance: 7Ω±15 at 2khz
Earphones charging time: 1 hour
Case charging time: 2 hours
Case dimensions: 7.2 x 6.3 x 2.7 cm
Earphones weight: 14.2 g (both)
Case weight: 49 g
Material: ABS + TPE
1.2 In the box
1 X Pair of earphones
1 x Charging case
1 x USB-A to USB-C cable (30 cm)
1 x Manual
1.3 Product details
1. LED indicators
2. Fastening hooks
3. USB-C charging port
1.4 Earphones LED indicators
The earphones LED indicator informs about the state of the
connection, among other aspects:
Charging case
Charging earphones
2. Initial setup
2.1 Turn on/off the earphones
To switch the earphones on, open the charging case, then
the earphones will turn on and pair with each other
automatically.
When charging the case, the
LED flashed red colour.
When
charging
earphone, the case LED will
be steady blue colour.
ENGLISH
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