Will this return to the last setting when turned off and back on?

Yes.When you turn it off and back on,the last setting is still there, you don’t need to reset it. Hope this can help you. Regards, Angela

Can this still work while it's plugged into power to keep it going?

Dear Customer, Thanks for your question. For this Retekess FT11 transmitter, it works while it's plugged into power, but it may affects the battery life. Hope it can help you. If it doesn't help, you may go to the product page, find the "Sold by Retevis Direct" under "Add to Cart" on the right side of the product page, click on “Retevis Direct”, then click the button "Ask a question" to reach out to us, we are always here for you. We are the professional transmitter manufacturer, if you have any questions about transmitters, please contact with us freely. Best regards Angela

1 mW to 300 mW. The Max power seems to depend on the FM frequency. We find at about 100 MHz the little transmitter has a range of about 600 feet or a city block.

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Retekess FT11 FM Transmitter, Portable FM Broadcast Transmitter (Black) | for Church, Drive-in Movie,Parking Lot, Rechargeable Stereo Station, Supports TF Card & AUX Input

Retekess FT11 FM Transmitter, Portable FM Broadcast Transmitter (Black) | for Church, Drive-in Movie,Parking Lot, Rechargeable Stereo Station, Supports TF Card & AUX Input

Product ID: 40943396

Details

Brand
Retekess
Connectivity Technology
AUX USB
Material
Copper
Power Source
Battery
Special Feature
Longe range

🎵Supports TF card & AUX input

📡200m max transmission range

🔋2000mAh long-lasting battery

S/.493

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📻 Broadcast Boldly, Anywhere, Anytime!

ENDURANCE FOR ALL DAY USE - Built-in 2000mAh polymer lithium battery ensures uninterrupted streaming and fast USB charging.
ULTRA PORTABLE POWERHOUSE - Compact 3.9x2.2x0.6 in design weighing just 0.17lb—take your broadcast anywhere.
SEAMLESS AUDIO VERSATILITY - Supports TF card, AUX input, and external condenser microphones for flawless sound customization.
BROADCAST BEYOND BOUNDARIES - Reach audiences up to 200 meters away with crystal-clear FM transmission.
DIY MULTI ZONE BROADCASTING - Easily pair multiple transmitters to cover simultaneous events or large venues with zero hassle.

The Retekess FT11 is a sleek, portable FM transmitter designed for professional and personal use, delivering up to 200 meters of clear stereo broadcast. Equipped with a powerful 2000mAh rechargeable battery, it supports multiple audio inputs including TF card and AUX, making it perfect for churches, drive-in movies, parking lots, and more. Its compact size and multi-transmitter compatibility empower users to create custom broadcast zones effortlessly.

Specifications

ASIN	B06XZ7W4WQ
Additional Features	Longe range, Portable
Audio Input	3.5mm AUX
Audio Output Mode	Stereo
Audio Output Type	FM radio, AUXiliary
Battery Type	Lithium-Ion Polymer
Battery Weight	0.2 g
Best Sellers Rank	#198 in MP3 Player FM Transmitters
Brand	Retekess
Color	Black
Compatibility Options	Bluetooth-enabled devices, TF card/AUX input devices
Compatible Devices	Radio
Connectivity Technology	AUX, USB
Connector Type Used on Cable	Auxiliary
Control Method	Touch
Customer Reviews	4.0 4.0 out of 5 stars (196)
Display Type	LCD
Enclosure Material	Copper
Hardware Interface	3.5mm Audio, USB
Installation Type	Plug In
Item Dimensions L x W x H	2.2"L x 0.6"W x 3.9"H
Item Type Name	Audio Interface
Item Weight	2.8 ounces
Lithium Battery Weight	0.1 g
Lithium-Battery Energy Content	0.2 watt-hours
Manufacturer	Retekess
Model Name	FT11
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Channels	1
Number of Lithium-ion Cells	2
Power Source	Battery Powered
Supported Application	MP3, AAC, WAV, FLAC, WMA, AUX input
Supported Media Type	TF Card
Supported Standards	radio_frequency, MP3, AAC, WAV, FLAC, WMA, AUX input
UPC	714559986905
Voltage	5 volts_of_direct_current
Warranty Description	Retekess warranty policy:we provide 1 year warranty and 30 days no reason to return. 1 year warranty for radio body, 2 month warranty for radio accessories: battery and usb cable etc. If the radio accessories are faulty in 60 days,you don't need to return them,we will resend you the replacement for free.
Wireless Compability	Radio Frequency

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S/.493

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Peru.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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