Schumann Signal 7.83Hz Low Frequency Pulse Generator Improves Sound Quality

Schumann Signal 7.83Hz Low Frequency Pulse Generator Improves Sound Quality
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sku: 2268141
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$27.76
Shipping from: China
   Description
1. Battery powered, no voltage ripple, more accurate output frequency2. Polymer lithium battery with overcharge/overdischarge/overcurrent protection3. Small size, easy to use, good effect4. Power supply: 5V Micro USB interface charging cable5. Battery: lithium polymer battery, capacity 850mAh6. Charging current: 250mA7. Working current: 7mA8. Charging time: about 6 hours fully charged9. Use time: about 200 hours10. Size: about 6.8x5.2x1.2cm
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