1. High quality materials with guaranteed quality
2. Shumanbo itself does not directly act on audio or video products to improve the quality of sound and image, but on the space environment, the human bodys perception of sound and image, and the improvement of the feedback to nature and life
3. It is used for audio-visual space, bedroom, office, creative space, tea ceremony, meditation space, etc
4. With USB cable
5. Built in 1000MHA battery, which can be charged once for 1 month
Product name: Schumann wave extremely low frequency generator
Frequency: 7.83HZ
Power: 0.5W
Output waveform: square wave
Colour:As Shown
Material:metal+plastic
Package Contents:
1 x Schumann wave generator
1 x cable
