Transmit sound into any surface
- Mini speaker, a DIY sound experience, place it on different surfaces such as plastics storage box, glass, wooden desk can provide you various sound effects.
- Quality sound effect, up to 115db powerful sound volume, full bass and loud treble. please use within 5-10 feet
- Built-in 400mAh lithium battery, up to 6 hours playing time after 1 hour fully charged