Voltage: 1.2 VCapacity: 1450 mAhModel: No. 5 usb rechargeable battery (AA)Input: usb charging interfaceSize: 5.01*1.41cmFeatures1. Convenient: USB rechargeable battery, USB direct charge, convenient and fast2. With USB charging head, no need for external charger, gently pull the head cap, notebook, desktop computer, even car USB interface, plug and play, convenient charging3. LED can only be charged, there is a red light prompt when charging, full of blue light.4. Nickel-hydrogen battery, safe and stable, longer service life, and low heavy metal content, no pollution to the environment.