Hello, we are wholesalers of smart wallet from China.This is a battery pack that can prevent loss and mobile power purse. Its battery capacity of 5000mAh is configured to keep your cell phone full of power at any time and anywhere. And you only need to scan the two-dimensional code on the instructions to download the corresponding APP, and activate the anti dropping and anti-theft function. Leather is absolutely 100% genuine leather.If you are interested, you can place wholesale orders with us. My E-mail is 731216418@qq.com.you can connact with me or give me your message.