Optional materials for this product: leather, PU, top layer leather, two-layer leather (price is not the same. Contact customer service) Protection function: The software protection board has over-charge/over-discharge/over-current/short-circuit protection intelligent MCU control circuit, high conversion, good stability, safety and long service life. Features: 1. 6-year-old store, the strength of the source of the factory, China Ping An Insurance underwriting, quality assurance, free and flexible strength customization, 1 can be customized content! 2. The main high-end gift market, support business custom printed LOGO two-dimensional code advertising pattern slogan, contact information, etc., support private custom printed photos, animation, Mito and so on. 3. Printing process: Charging treasure: color printing, silk screen Gift packaging: gift box, handbag can be bronzing, hot silver, hot red, silk screen, color printing! 4. Can be customized in batches, factory direct sales, large quantity and excellent price. Tips: The page price includes shipping + charging treasure + standard packaging + charging line + manual, need gift box, handbag, or need business customization, please contact us, thank you! A large amount of bargaining, Ali field to verify the strength of the factory! Business volume customization, please contact customer service! 5. Corporate Business Gift Customization:    Quickly increase your visibility! Not only a practical business gift, but also a long-running mobile ad!    Company gifts, annual meeting gifts, exhibition gifts, 4S shop gifts, real estate opening, anniversary, class reunion, etc.