Shenzhen Yunmeisheng Technology Trading R8 Wireless Headphones Instructions

Shenzhen Yunmeisheng Technology Trading R8 Wireless Headphones

Instructions

To better play the product effect Please read the instructions carefully first

The keyboard

• Long press this key can automatically boot / shut down, short press play / pause or answer calls; fast press two play mode switch;
• Short press switch next, long press increase volume;
• Short press switch on one, long press to reduce the volume;

Bluetooth connection

1. Press the button until the headset LED lights up and the voice prompt “Bluetooth mode” appears. This is Bluetooth mode, and then turn on the Bluetooth function of the mobile phone to search. The name “R8″ model” appears. Click on this model to complete the Bluetooth connection.
2.  Bluetooth connection after successful disconnection, if the connection only need to open the phone Bluetooth function click on the name to connect, some mobile phones first turn on the Bluetooth function and then turn on the headset power can be automatically connected.

Mp3 mode

1. Headphone boot state plug in TF memory card to start playing music;
2. Press two icons in Bluetooth mode to switch to TF card mode.

Plug-in mode

1. Headphone shutdown state plug in LINE audio line can be connected to mobile phones or computers and other devices 3.5 audio hole playing music;
2. All key functions can not be used in plug mode;
3. In boot state, insert audio line, ear opportunity automatically turn off into audio mode.

Tutorials

1. The first stage: using high-quality music, daily cycle play about 3 hours, the volume is adjusted to about half of the maximum volume of headphones, so that it lasts for a week;
2. The second stage: choose their favorite songs, with their own volume normal listening to songs ,2-3 hours a day after 10 days, baby sound quality will gradually tend to stabilize.

Warm Tips

1. During normal use, such as Bluetooth / MP3, try not to charge at the same time, will affect the effect of the mode, it is recommended to charge in the shutdown state.
2. Please use 3 G certified mobile phone charger (5 V1-2A), the company is not responsible for the consequences caused by inferior charger or substandard charger.
3. Insert audio line in boot state, ear opportunity automatically shut down into audio mode.
4. Insert charging line in boot state, ear opportunity automatically shut down charge.

Technical indicators

1. Horn specifications:∮40mm ×2
2. Distortion: 1 At 1K Hz
3. Frequency response :20 Hz-20KHz
4. Bluetooth Version :5.0
5. Charger :5 V1A-2A Cell phone charger, do not use fast charging device to charge

NOTE: product software, firmware and so on are updated and upgraded without prior notice.

Frequently Asked Questions

1. About charging
   Headphone charging can be filled for about 4 hours, there is an indicator lamp next to
   the charging port, charging for the red light after the indicator lights out, headphones
   are not equipped with a charger, please use :5 V1A-2A of mobile phone charger charge; Headphones are dripping or suddenly shut down.

2. About the Bluetooth connection
   Earphone Bluetooth effective distance of 10 meters without interval of 1-5 meters is the Kbest distance, human body or wall and other objects will seriously interfere with Bluetooth stability. The Bluetooth frequency of the headset is usually caused by the same frequency interference of 2.4 G wireless network. Please change a wireless network, turn off the wireless network or switch the WIFI to 5.8 G frequency. Or delete all Bluetooth device names, turn off and restart Bluetooth, and search for connections.

3. About the headphone volume
   The headset test can reach more than 95 decibels. If the volume in Bluetooth mode is very low, the volume of the phone is not adjusted well, please adjust the volume of the phone separately after the Bluetooth connection is successful. Please switch a few
   more songs to try. Some songs themselves will be low.

4. About MP3 mode play
   The headset supports 16 G and less TF memory card, can support MP3/APE format
   song play, if can not read the memory card song situation, please format the TF card, select the FAT32 format, then copy the song can be solved.
   Note : lossless format does not support more than 1082 bit rate, multi- track channel, encrypted playback.

5. . About reset operation
   Because the headset is too frequent or suddenly receives the unknown Bluetooth error signal , it will automatically enter the lock protection state and can not carry out any operation. At this time, the headset will be charged . Earphone automatic shutdown can be reset successfully reboot can return to normal use

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution : Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

RF Exposure Information
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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