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: 600mah
Battery capacity: 1200mah 18650
Bluetooth+clock+dual alarm clock+battery level+FM radio+TF card+call