Features
1. Wide frequency adjustable range (0.1Hz-99999Hz), precisely meet different needs.
2.Dual-channel output supports external antenna board to realize multi-device serial expansion.
3. Default frequency 7.83Hz, one key to set the desired frequency, simple and convenient operation.
4. Push-button operation, simple and convenient design, even a novice can easily get started, the operation is no pressure.
5. The host can connect up to 10 antenna motherboards, suitable for a variety of scenarios application needs.
 
Specifications
Antenna Waveform: Sine Wave
Power Supply Interface: Android Interface
Power Supply Voltage: DC 5V
Rated Power Consumption: <1W
Default Frequency: 7.83Hz
Adjustment Range: 0.1Hz~99999Hz
Sine Signal Voltage Amplitude: 3V
Square Wave Signal Voltage Amplitude: 5V
Mainframe Dimension (with case): 15.8*10.9*2cm
External Antenna Board:10*10cm
Description: Dual Channel Output interface can be external antenna board, can be combined can be cascaded, can be set to link the host can take 10 antenna motherboard.
 
Usage: use the phone charging plug with Android cable boot start, the frequency default 7.83Hz, directly enter the keyboard number press OK (ok) button, that is, set the frequency successfully, for example: to enter the frequency of 888Hz - power on the keyboard directly press the number [8] [8] [8] [8] and then press the [ok] button, you can set the success.
External antenna usage:
Insert one section of AUX audio cable into any headphone hole of the host, and the other section into the headphone interface of the external antenna board (Note: must be inserted to the end) to use directly.
The headphone interface can be operated in series, that is, it can be used by more than one, connect the AUX audio cable to the headphone port position of the corresponding equipment, you can realize more than one serial use.
 
Package includes
According to your choice

1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances. 3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.
A
 

1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

1.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly

1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.

Am 13.04.2026 hat der Verkäufer die folgenden Angaben hinzugefügt:

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