PU Leather Keychain Power Bank

This 4000mah power bank is an innovative product with concise style and large capacity, this will makes more convenient to go outside or go travel and working etc, this power bank can be hung on your bag, save the space, when needed it, take it off and use it instead of looking for a chargin line again. the power bank design is very special, think of it as a keychain. Great idea for promoting your brand, this power bank is available for all your e-devices.