Function: 1. Unit size: 14.6x1.7cm, 2. Material: Brass 3. Unit color: Silver, black, Function: 1. Phone charger; 2. Ball pen Characteristic: 1. Powered by normal 1*AAA battery, recharge the phone anytime 2. Practical function 3. Fashionable and portable 4. The Optional accessories: 3 cell phone common plugs (including Nokia ,Moto ,Samsung )