Specifications:  
4000mAh power bank with speaker 
Battery: 26650 
Input: 5V/1A 
Output: 5V,1A 5V 2A 
Size: 163*44*23mm 
Weight: 260g  
Packing: carton  
Colours: various 
Our strengths:  
Multifunction 3 in 1 Bluetooth speaker power bank with mobile stand holder 
Portable speaker power bank 
Large capacity for iPhone 4/4s/5 more than 1 times 
Multiple colors can be chosen 
Charge and discharge cycle times more than 500; 
Supplying power for iPad, iPhone, iPod, Galaxy tab, smartphone, MP3, GPS, PSP, and more 
High conversion efficiency 
Multiple self-protection: over temperature, over voltage, over current, short circuit and more 
Rebrand the logo and custom package.