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3500mAh power bank with mobile phone speaker

Crystal 4 Company Limited
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Address: Room 908, 9th Floor, Taoyuan Park, Xixiang Town, Bao'an,Shenzhen, 518103,China.

Phone: 86-0755-32885964

Contact name:Mr. Lin Wong

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Crystal 4 Company Limited

3500mAh power bank with mobile phone speaker

City & Province Shenzhen Guangdong
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Product Details

Product size:137*29*29mm                                          
Material: ABS                                                                
Battery:  1 pieces 26650 battery                                                                      
Input:5V,1A                                                                                    
Output:5V,1A                                                                                    
capacity:3500mAh                                                                        
1. 1 usb output         
2.2 led indicator, charing shows red light, full charging shows blue/green light         
3.leading Switching power supply management,reasonable circuit layout.The static power consumption down to 20u A         
4.with overcharging,overcurrent,short-circuit ,overdischarging protection         
5.The charging and discharging automatic recognition         
6.color:blue,green,pink,orange 

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