Main Specifications :

Speaker output power : 6W (THD=10%)              

Noise level ratio ：≥80dB

Power source ：600mAh lithium battery

Music play time：120to 240 minutes

Charging time ：≥ 2 hours

Input voltage : DC 5V, 500mAH 

Output power：3W

Speaker specifiction ：4Ω3W Φ40mm

Frequency range ：100Hz-20KHz

Sensitivity ：80db±2db

Noise level ：≥84dB

Weight: 320g

Packing Size:89.2*89.2*71.7mm