MR260 Bluetooth Receiver and Transmitter 2-in-1 Manual

MR260 is a two-in-one wireless Bluetooth receiver-transmitter using Qualcomm QCC3040 high-specification, high-fidelity, lossless, and low-latency transmission, supporting 3.5 input/output. LED intuitively displays status and Bluetooth protocol, and one-to-two Bluetooth transmitter supports dual-connection of two Bluetooth headsets or speakers. You can convert a TV or computer and other playback devices to Bluetooth transmitters and connect to Bluetooth speakers, Bluetooth headsets, or Bluetooth power amplifiers and other devices. In the receiving mode, the traditional speakers or power amplifiers or headphones without Bluetooth receiving function can be upgraded to audio equipment that supports wireless connection of Bluetooth devices such as mobile phones and tablets. It is convenient for users to switch freely according to their needs.

Specifications:

Model number: MR260

Bluetooth chip: QCC3040 V5.2

Supported protocols: RX: A2DP/AVRCP TX: A2DP

Working frequency band: 2.402GHz-2.480GHz

Input and output interface: 3.5mm audio interface

Signal-to-noise ratio: ≥99.3dB

Codec method CODEC:

TX:aptX Adaptive/aptX HD/aptX LL/aptX/SBC

RX: aptX Adaptive/aptX HD/aptX/AAC/SBC

Built-in battery: 250MAh

Battery life: RX>15H TX>12H

Product size: 48*48*12mm

Bare metal weight: about 24g

Interface diagram

1: Pairing button Click the link back, double-click to pair , press and hold for 8 seconds, the LED lights will light up at the same time, and the paired device is cleared successfully.

During RX mode connection and playback, press and hold the pairing button for 1 second to switch to low-latency game mode.

2: Receive/transmit switch key .

3: Type-C charging interface.

4: RX Microphone (To ensure the quality of the call, please talk as close as possible to the MIC hole (beside the headphone stand).)

5: 3.5mm input/output port.

 

1: RX mode (Click up/down and long press +/- volume), TX mode (long press +/- volume).

2: Play pause button

RX (click to pause/play, double-click to call back, single-click to answer/hang up, long-press to reject the call), TX (click to mute).

During TX connection playback, double-click the button to switch the audio CODEC (you can switch between the current level and the next level, SBC cyclically).

3: Press and hold for 3 seconds to power on/off.

Definition of LED indicator:

RX light on: The device is in RX receiving mode.

TX light on: The device is in TX transmit mode.

  Light on: The device is always on when charging, and automatically turns off when fully charged; the charging light flashes to indicate a low-battery state, which can be released after plugging in the charging cable.

SBC, AAC, APTX, LL, HD, AD” light on: device audio CODEC light, corresponding to work in: SBC, AAC, aptX, aptX Low Latency, aptX HD,

aptX Adaptive status.

“A, B” indicator light is on: the corresponding device has been connected to 1 or 2 Bluetooth devices; “RX, TX” light flashes quickly, pairing search status; flashes once every 2S, standby status; double-click the key to quickly enter pairing search state.

Functional operation

1) Automatic shutdown function

The device automatically shuts down after 10 minutes of no connection, and needs to be turned on and off again to wake up.

2) Low battery alarm prompt

When the device is low in power, the charging red light will flash and an alarm sound will sound; if the battery power is lower than 3.0V, it will automatically shut down.

RX receive mode:

 

Mobile phones, computers, PADs, etc. connect to the device through the Bluetooth function, and transfer music to the device through the Bluetooth receiving function of the device.

Received on audio equipment with AUX audio input.

Steps:

A. Long press the power button for 3S, the device boot LED light will be on.

B. Toggle the switch key to switch the device to “RX” mode. Please refer to the LED display for the device mode.

C. Please insert the 3.5MM audio cable into the AUX audio interface on the device, and insert the other end of the audio cable into the

Audio or power amplifier or wired headphone equipment audio input interface.

D. Double-click the pairing button, the device enters the pairing state (the indicator “RX” flashes rapidly).

E. Turn on the Bluetooth function of the mobile phone, click to search for Bluetooth devices, and select the name of the connected device “LE507/MR260” in the Bluetooth list.

F. After the connection is successful, the “A” indicator on the device is on, and you can use this device to enjoy music!

Note: When the device is playing music, the audio indicator lights up accordingly SBC, AAC, aptX, HD (aptX HD), AD (aptX Adaptive)

TX transmit mode:

This device can be used in conjunction with a TV to wirelessly forward the sound to a Bluetooth receiving device such as a Bluetooth device, a Bluetooth headset, a Bluetooth speaker, or a Bluetooth power amplifier.

Steps:

A. Turn on the Bluetooth speaker or Bluetooth headset waiting to be connected and put it in the pairing state.

B. Press and hold the power button for 3S, the device boot LED lights up. Toggle the switch key to switch the device to “TX” mode. Please refer to the LED display for the working mode of the device.

C. Insert the 3.5MM audio cable into the AUX interface of the device, and insert the other end of the audio cable into the TV audio output interface in the home.

D. Double-click the pairing button, the device enters the pairing search state (the indicator “TX” flashes rapidly).

E. After the connection is successful, the “A” indicator light on the device is on, and you can hear the sound in your Bluetooth speaker or earphone!

When the device transmits music, the audio indicator lights up accordingly SBC, aptX, LL (aptX Low Latency), HD (aptX HD), AD (aptX Adaptive).

Note:

① Different Bluetooth devices (such as Bluetooth headsets) have different time to search for connection due to differences in the scheme and protocol used.

If the connection is not successful for a long time, you can restart the device and try to connect again.

② The “TX” indicator on the TX mode device flashes rapidly, which is the state of searching for Bluetooth devices (Bluetooth headsets or speakers).

③ It is recommended to turn on the bluetooth speaker or bluetooth headset and put it in the pairing state, and then turn on the device to search for pairing, which can improve the connection speed.

④If the sound is abnormal after connecting to the Bluetooth device (no sound, freeze, noise), you can double-click the play pause button to switch the audio encoding to SBC.

TX transmission one-to-two function:

A. Refer to the above connection steps to connect to the A Bluetooth device (Bluetooth headset or speaker).

B. After the Bluetooth device No. A is successfully connected, turn on the Bluetooth device No. B (Bluetooth headset or speaker) and put it in the pairing state.

C. Double-click the pairing button, the device enters the pairing search state (the indicator light “TX” flashes rapidly), and starts to search for the Bluetooth device No. B. After searching for the Bluetooth device No. B, it will automatically connect.

D. After the connection is successful, the “A, B” indicator lights on the device will light up, and the A and B Bluetooth devices (Bluetooth earphones or speakers) will sound at the same time.

Note:

①If you cannot search and connect to the Bluetooth device B, you can double-click the button on the device and try pairing again to search and connect. If the connection is not successful for a long time,

You can restart the device and try to connect again, or try to turn off the surrounding Bluetooth devices to avoid misconnection problems.

②After connecting the Bluetooth device, the sound is abnormal (no sound, freeze, noise phenomenon), you can double-click the play pause button to switch the audio code to SBC, or disconnect a Bluetooth device to try.

3. Charging

When the product is in use, the charging red light flashes, indicating that the device is low in power and needs to be charged.

A. Insert the Type-c charging cable into the charging port of the product, and connect the other end to the USB 5V 1A power output port (such as mobile phone charger, computer USB port).

B. The charging time is about 2 hours. The red light stays on during charging, and goes out when charging is complete.

Note: 1. When the battery power is too low or the quality of the charging power supply is poor, it may cause current noise in the device.

2. During charging, when the battery is about to be fully charged, there may be charging backflow noise, which can be solved by removing the charging cable.

Frequently Questions and Solutions

Unable to start

• Select a qualified adapter to power on, it is recommended to choose an adapter with an output voltage of 5V 1A (be sure not to use a variable voltage fast charge).

•Turn on.

cannot be paired

• Make sure the product is in pairing mode and no other device is connected.

• Make sure the product and the paired device are within range (close to the connection first).

• Delete all connected Bluetooth device records from the phone or tablet, restart the phone or tablet to restore the device’s Bluetooth driver, and then reconnect the device.

• When the distance is too short or the disconnection is unsuccessful, please check whether there is too much interference from 2.4G wireless devices around the environment (such as WiFi signal, wireless mouse, other Bluetooth devices, etc.).

• Please do not place the device on metal objects and do not block them. When the signal is interfered or blocked, it may also cause the sound to be intermittent/stuttered.

Not compatible with computer bluetooth

• Please download the latest driver from the Bluetooth manufacturer or download the Qianyue software (supports A2DP protocol). Please contact your PC vendor for more information.

•Or download a third-party Bluetooth driver: Qianyue Software (supports A2DP protocol).

Device can’t hear sound

• Make sure the device is properly connected to the product

• Check the respective volume of the connected devices

Listening to WeChat voice messages is incomplete

You can set WeChat voice playback to earpiece playback. Setting method Long press the voice message and a setting bar will appear. Modify the setting to earpiece playback.