To improve the quality of your life #homesix.vn ===========================HoSi========================== Features: Compact size, portable and multi-functional design. Designed for AA / AAA rechargeable batteries. You can charge 1 - 4 pieces AA / AAA batteries at the same time. Regular 5V DC power supply, 4 independent charging slots. 4 individual LED indicator: The red light is always on when charging, and the red light is not converted when it is full. Universal USB connection cable, can be inset PC or phone charger adapter with USB port. Short circuit protection to prevent short circuit and ensure use safety. Ideal for use at home, office, or on the road. Charging time: about 2.5-5.5 hours. Specifications: Name: USB Battery Charger Material: Plastic + Metal Color: White(As Pictures Show) Applicable battery: AA/AAA rechargeable battery Input Voltage: DC5V 1A Output Voltage: DC1.2V AA 250mAh*1-4, DC1.2V AAA 250mAh*1-4 USB Port: USB 2.0 Dimension: 85*65*25mm Package contents: 1*USB Battery Charger(Battery not included)