7.83Hz Schumann Wave Generator Schumann Resonance Generator Improving Sleep and Water Quality

7.83Hz Schumann Wave Generator Schumann Resonance Generator Improving Sleep and Water Quality

Features:
- 7.83Hz Schumann generator
- Boost sleep and improve the taste of wine, tea and water
- With three color LEDs, a 7.83Hz working indicator, and a purple sterilization LED; the indicators will flash according to the working frequency
- Can be powered by a 5V power bank via its USB cable
- Product size: 12 x 12 x 3cm/4.7 x 4.7 x 1.2"

Package Included:
- 1 x Schumann Wave Generator
- 1 x USB Power Cable

Note:
- USB cable in black or white will be delivered at random. Thank you for your understanding!