510 Threaded USB Charger -KBC0003
1. Feature: With IC protection, over charge protection, short circuit protection
2. Output: 4.2v/420mAh
3. Input: DC 5V
4. Size: 45x18x6mm
5. Certification: CE
6. Indicator light: The red light turns green when the charge is fully charged
7. Support OEM, easy to make custom color and logo
