• Made of high quality ABS material with stainless steel thumb knob
• Patented product with exclusive production
• Microcomputer digital chip intelligent charging for overcurrent protection, overcharge protection, and protection against short circuits
• DC charge for enhanced security, belonging to Class 3 electrical appliances
• Compatible with mobile phone USB charging head, USB car charger, computer USB hole, and mobile power for convenient charging on the go
• CE, ROHS, FCC certification for added assurance of quality and safety

Note: The shown batteries are not included