Bluetooth li-ion battery speaker

1) Line-in function

2) Bluetooth function

Power supply: DC5V

Output: 2W

Frequency: 200Hz-18KHz

Signal&noise ratio: ≥75dB

Impedance: 4 OHM(Ω)

Li-ion output: 3.7V~4.2V+0.05V

Li-ion input: 5V

Lithium battery: 250mAh

Speaker unit: 36mm

Case material: ABS

Dimension: H55mm*D43mm

Weight: 50g

Carton size: 37*27*16cm

QTY/CTN: 100pcs

N.W./G.W.: 5kgs/6kgs

20'GP: 142200pcs

40'GP: 305500pcs

40'HQ: 326600pcs

Accessories: 

1) USB power supply cable

2) 3.5mm audio cable