Bluetooth solution: 5.0
Output power: 3W
Speaker: 4 Ω 3W
Complete machine distortion: ≤ 20%
Signal to noise ratio: ≥ 90dB
Working voltage: 5V
Charging current: 500mah
Battery capacity: 500mah 14500
Bluetooth/TF card/FM/TWS/AUX-IN/colorful lights+call
