ENGLISH - USER MANUAL
Astro 2 Wireless Headphones - BTW04N
1. Characteristics
1.1 Technical specifications
Headphones playtime: 7 hours
Headphones battery: 200 mAh
Audio frequency range: 20 Hz - 20 kHz
Protection rating: IPX5
Operation range: 10 m
Wireless frequency range: 2402-2480 GHz
Maximum transmitted power in frequency ranges: 8dBm
Technology: Bone Conduction
Sensitivity: 90dB±3dB
Impedance: 8Ω±15%
Headphones charging time: 1.5 hours
Dimensions: 13,7 x 10,3 x 4,4 cm
Headphones weight: 25 g
Material: ABS
1.2 In the box
1 x Wireless headphones
1 x USB-A to 2-pin magnetic cable (55 cm)
1 x User manual
1.3 Diagram
1. LED indicator
2. 2-Pin charging port
3. (+) Button /Next
song/Increase volume
1.4 Headphones LED indicators
The headphones' LED indicator informs about the connection and
switching status:
Blue/red LED flashing
Steady red LED
Steady blue LED
2. Usage method
2.1 How to use the headphones buttons
ON/OFF
4. Power button
5. (-) Button/Previous
song/Decrease volume
When the LED flashes intermittently
red and blue, it is in pairing mode.
When the headphones are turned
off, the red LED stays on steady for
one second.
When the headphones are turned on
or connected to a device, the blue
LED stays on steady for one second.
To turn them on or off, long-press the
headphones power button for 3
seconds.