Schumann Signal 7.83Hz Low Frequency Pulse Generator Improves Sound Quality, CD01 Option:CD01 Platform support:

Platform support:

Its compact and portable design can be carried around

Volume control

and is good for flowers

0 fast charging speed

Schumann Signal 7.83Hz Low Frequency Pulse Generator Improves Sound Quality, CD01 Option:CD01 Platform support:1. Battery powered, no voltage ripple, more accurate output frequency 2. Polymer lithium battery with overcharge overdischarge overcurrent protection 3. Small size, easy to use, good effect 4. Power supply: 5V Micro USB interface charging cable 5. Battery: lithium polymer battery, capacity 850mAh 6. Charging current: 250mA 7. Working current: 7mA 8. Charging time: about 6 hours fully charged 9. Use time: about 200 hours 10. Size: about 6. 8x5. 2x1.