Crenova Mini Portable Waterproof Bluetooth Speaker Power Bank LED Flashlight Handsfree Subwoofer Stereo loudpeakers
Bluetooth version: V3.0
Wireless frequency: 2.4GHz
Rated power: X 5W 2
Charge voltage: 5V DC
Working voltage: 3.7V DC
Battery capacity 4000MAH
Transmission range: 10-20 M
Transmission power: class2
Distortion rate: less than 0.1%
The signal-to-noise ratio is not less than 90dB
Horn parameters: 4 euro 5W X2 40
Impedance: 4
';
