Blue Speaker Backpack Audio Output Slot 5V / 3.7V lithium battery
Backpack structure
- One main pocket with opening pocket.
- One front pocket convenient for put the little things in.
- Two mesh pocket on the bottom for hold the water bottle.
- With two side zippered pocket for hold 5W*2 speakers.
- Helmet pocket with buckle to take helmet in.
- With airflow back system provide extra padding for comfort and maximum back support.
Backpack parameters
|
Backpack |
|
|
Material |
Waterproof 600D Nylon |
|
Color |
Blue |
|
Dimension |
37*20*43cm |
| N.W | 0.68kg |
|
Speaker |
|
|
Loudspeaker |
D40mm 3/5W*2 |
|
Power supply mode |
USB+5V/3.7V lithium battery |
|
Output Power |
2*5W |
|
Frequency response |
120HZ ~ 20KHZ |
|
SNR for playback |
> 90DB |
|
Distortion |
5W/CH(5Vpower supply,3,10%THD) |
|
Power efficiency |
>90% |
|
Channel Balance |
<1DB |
|
Resolution |
> 40DB |
|
FM accept sensitivity |
<1DB |
|
SNR for FM |
≥ 60DB |
Backpack Features
- Stitch webbing in the middle for clip small stuff,
- 1500Mah lithium battery can be used continuously for more than 8 hours.
- With control line, is convenient to click the function button.
- Download files to TF card from computer by connecting the device to computer with USB cable line and charge the device at the same time.
