1) Emergency charger with built-in Lithium battery;
2) Can be recharable;
3) Can use up to 500 times;
4) Only 25 grams and 8mm thick;
5) Each package with a retractable USB charger,which can charge
the built-in Lithium battery or charge mobile phones directly;
6) Can work with most mobile phones, MP3 players,
Mpeg4 players,digital cameras and other personal electronic appliances;
7) Large space for logo imprinting;