SPECIFICATION: 

Speaker: 40mm

Output power: 2W

Frequency Response: 100Hz-20KHz

Impedance: 4 ohm

Sensitivity: ≥ 65dB

Li-ion output: 5V

Li-ion input: 3.7V-4.2V 

Lithium battery capacity: 380mAh

Product Size: 40mm*30mm*25mm

Weight: 53g

Colors:white, black

Blister packing size: 125mm*170mm*65mm

audio cable

USB power cable

user's manual

Packing: 

Blister Box Size: 12.5*6.2*16.5CM

Carton Size: 54*34*52.6CM

Qtty: 80pcs/CTN

N.W.: 10 KGS

G.W.: 11.5 KGS