Mobile phones work with many smart phones, camera phone, new or older models.
MP3/MP4 Players work with MP3, CD, MD, Portable DVD players, Multimedia players, and Bluetooth devices.
Have the charge instruction function
Use only one single AA battery
Can be used with a rechargeable cell
Unique AA battery rechargeable function
Flash light function
Super long standby time: about 30 days
The electric current lost the static condition
Charging full time about 2 hours
Charging current 350mAh maximum
Supply current more than 250mAh to the device
Current limited for safety
USB charging cable