Product Description
Portable 2-in-1 Bluetooth 5.0 Transmitter&Receiver Stereo Music Audio Adapter


Features:
1.This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses
2.Transmitter mode:wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers
3.Receiver mode: wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones
4.Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included).
5.Super-Portable Audio-Streaming Power
The KN321 is just 44mm (1.73") across and weighs only 18g (0.63oz), but has got powerful wireless audio streaming capabilities. Slip this transmitter & receiver into your backpack or laptop bag and take it on-the-go without the slightest effort.
Power on: Press and hold the power on/off button until the LED lights up
Shutdown: Press and hold the power on/off button until the LED is off
Charging: Use the DC-5V charger and micro usb charging cable. The red light is on during charging. When the battery is fully charged, the blue light is on.
Switch mode:
1)RX: Receive mode, indicator: blue LED
2)TX: Transmit mode, indicator light: red LED
RX mode:
Pairing name: KN321/KN319, find KN321/KN319 in the Bluetooth settings of the phone to pair. The blue light flashes twice a second during the pairing process, and the blue light flashes once every three seconds after the pairing is successful.
how to use:
1)Plug one end of the audio cable into the audio input of the speaker and the other end into the audio of the KN321
2)confirm that it is in RX mode (blue light flash). Find the pairing name in the Bluetooth settings of the phone: KN321/KN319 click to pair.
TX mode:
TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.), The red light flashes twice a second during the pairing process, and the red light flashes once every three seconds after the pairing is successful.
How to use:
1)Plug one end of the audio cable into the audio output of the devices and the other end into the audio of the KN321/KN319.
2)Confirm that it is in TX mode (red light flash). The KN321 will automatically search for Bluetooth headset or Bluetooth speaker pairing.

Specifications:
Technologies: BT5.0,A2DP, AVRCP (receiver mode only)
Operation Range: Up to 10m / 33ft (without any blocking objects)
Pairing name:KN321
Charging Time: 2 hours
Working Time: RX: 6 hours ; TX: 5 hours
Battery Type: Li-Polymer (200mAh)
Dimensions: 44 × 44 × 12mm

Package includes:
1* Bluetooth 5.0 Audio Transmitter/Receiver Adapter
1* Micro USB Power Cable
1* 3.5mm AUX Audio Cable
1* User Manual


If you have any questions, please feel free to contact us via ebay. We usually respond within 24 hours.


We accept all verified payments from ebay.

Orders will be shipped after receiving cleared payment.

Payment due within 7 days after auction ends and for buy it now listings.

We ship most of our orders within 24 hours, and may up to 48 hours for.

If you want faster shipping way. Please contact us before making payment.

Sometimes due to problems with our transportation company system, your shipping information may be delayed to update. We recommend that you try again after 3-4 days. If you still haven't checked the shipping information, you can contact us by ebay message.

Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive.

If  you have any questions, please feel free to email our service  specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP.

Return/refund  is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is  received.

Please contact us first before returning your product!!!



If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible.

You can contact us 7*24, we will reply at the first time, and we will surely solve your problems.

Note:

1.We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1 business days for us to response. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size.

2.Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us.

3.Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Please email us before leaving any negative feedback or open any dispute on PayPal.

4.We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately.



Payment

We accept all verified payments from ebay.

Orders will be shipped after receiving cleared payment.

Payment due within 7 days after auction ends and for buy it now listings.

Shipping

We ship most of our orders within 24 hours, and may up to 48 hours for.

If you want faster shipping way. Please contact us before making payment.

Sometimes due to problems with our transportation company system, your shipping information may be delayed to update. We recommend that you try again after 3-4 days. If you still haven't checked the shipping information, you can contact us by ebay message.

Returns

Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive.

If  you have any questions, please feel free to email our service  specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP.

Return/refund  is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is  received.

Please contact us first before returning your product!!!



Contact Us

If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible.

You can contact us 7*24, we will reply at the first time, and we will surely solve your problems.

Note:

1.We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1 business days for us to response. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size.

2.Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us.

3.Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Please email us before leaving any negative feedback or open any dispute on PayPal.

4.We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately.