Smart Magnetic Induction Resonance Speaker

Overview:
When in standby or power-on mode, place the device with the external speaker such as a smartphone in the correct direction, and activate the product function while the external speaker or audio is playing. The mini-stereo can be powered by a lithium battery or an external data cable jack DC input. To adjust the volume, simply change the volume of the phone and the output volume will be adjusted automatically.

Note:
1. The product is taken in kind, but because of lighting problems, pictures may have a slight chromatism.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please consider this before the purchase.
3. Please allow slight deviation for the me...