音乐充电宝

Not only a power bank ,also a speaker and a mobile phone stents.Appearance very beautiful,and very easy to carry.

product Name:Music power bank 

product size:29*137*29mm

power:2W

Frequency range:200-20000Hz

Sensitivity:90dbv±3

Resistance:4Ω

Battery capacity:4000mAh

USB Input voltage:DC 5V

USB Input current:800mA

USB output voltage:DC 5V

USB Output current:1000mA

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