7.83MHz Schumann Wave Generator Rechargeable Ultra-Low Frequency Pulse Finished

Description Schumann wave does not directly act on speakers or video products to improve sound quality, but acts on the space environment. Schumann wave 7.83Hz offsets the frequency of negative interference from electromagnetic waves, which makes the sound space reverberation stable and harmonious, allowing listeners to enjoy music more concentrated and enjoyable. It can improve the human body’s perception of sound and images, improve the health of the human body, improve the efficiency of work creation, and also have a good effect on insomnia and mental stress. The Schumann wave generator itself does not emit any sound, and is not connected to other devices. It can be used only when plugged in. Features: – Transparent top board for clear vision of internal electronic parts – Status Indicator: Red Light for charging; Green Light for finishing charging; Blue Light for working – Rechargeable Type: large electronic capacity up to 2300mA with low power consumption 220uA; It can work continuously for 400 days after being charged fully – Round antenna on the back of the generator – Upgraded circuit with premium materials Application: – For audiovisual space: enhance sound field and audiovisual effects – Used in the bedroom: can help treat insomnia – For the office: help you relax and improve working efficiency – Used in creation spaces: to fuel creative inspiration Package Included: 1 x Schumann Wave Generator Payment We accept PayPal only. Shipping 1.Items are shipped from china.we will send out within 1 bussiness day after receive the payment. 2.We only ship to ebay confirmed address. So before bidding, please kindly verify your ebay address. 3.Shipping to USA takes 8-18 days in normal condition by E-packet with tracking number. Shipping to most other countries takes about 12-30 days via Economy Int’l Airmail. Less than $40, without free tracking number,if you request tracking number,please send ebay message to us. Over $40,with tracking number free.The shipping time depends on your location and local postal service,as well as the weather condition along the shipping,sometimes may take longer,.please send ebay message to us if you didn’t get your package. 4.Express shipping: Extra $20 –$25 will be charged for the first 500 grams for most countries. Send ebay message to us if you need this service. Terms of sale 1.If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please send ebay message to us before you return it. 2.If item is defective in 30 days, We will send you a replacement without extra charger, or offer refund after we receive the defective item. 3.If item is defective after 30 days, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee. About Us We are honest seller and do our best to serve you. So if you have any concerns,please don’t hesitate to send ebay message to us.