English 
Sound
mono
Total power
3 W
Food
from batteries, from USB
Sound
Frequency range
20 to 20000 Hz
S / N Ratio
80 dB
Design
Housing material
plastic
Number of AC strips
1
Wideband speaker
40 mm
Food
Type of batteries
your own
Working hours
3 hours
Connectivity
Inputs
linear (mini jack connector)
Interfaces
Bluetooth
Memory card support
microSD
Additionally
Functions
built-in microphone
Dimensions (WxHxD)
61x50x61 mm
The weight
0.24 kg (with batteries)