Magically amplify the audio of cell phone, MP3, MP4, MP5, and so on.
No need pairing it.
It is compatible with all audio devices which have external speakers.
Strong Output: 3W * 2RMS.
With highly efficient 5C lithium battery.
With low power display.
With 3.5mm audio input and DC input jack.
1 x Wireless Speaker
1 x USB Charging Cable