Specifications:

• Use: MP3 / MP4 Player
• Type: USB
• Type: Electric
• Quick charge: No
• Package: No
• Output Interface: USB Output
• Model Number: Portable Power Bank 18650 External Backup Battery Charger With Key Ch
• Intelligent Charge: No
• Display screen: No
• Brand Name: HENGYUE
• Battery Number: Portable Power Bank 18650 External Backup Battery Charger With Key Ch