Schumann Resonance Wave Pulse Generator With USB Cable And Screwdriver

Features: The 7.83HZ Schumann Wave can help people relax physically and mentally, improve body health and work efficiency, reduce mental stress. The 7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator is of high accurancy and stability. The pulse generator is adopted with high stable frequency acquisition elements, precision correction capacitance, precision multi-loop adjustable resistor, display solid capacitance. Equipped with high-quality lithium polymer battery, with overcharged, over-voltage, over-current protection. There is almost no voltage ripple in the voltage supply. You can apply it in your bedroom, office, study, tea room and so on. Easy to operate, with a USB cable and a screwdriver for easy installation. Specifications: Battery: Lithium polymer battery Battery capacity: 850mah Time: charging current 250mA, 6 hours full of electricity Working current: 7mV Working time: 200 hours(full of electricity) Power: 5V micro-usb android charging cable Material: Metal Color: Multicolor Weight: 71g/2.5oz Item Size: 6.8*5.2*1.2cm/2.7*2*0.5in Package Size: 10*6cm/3.9*2.4in Package List: 1*Ultra-low Frequency Pulse Generator 1*USB Cable 1*Screwdriver