MANGROVE K7 Bluetooth Swimming Headset User Guide

MANGROVE K7 Bluetooth Swimming Headset

Key function & interface

1. Microphone
2. 3.5MM charging & copy port
3. Long press for volume increase, short press for next song
4. Press and hold for 3 seconds to power on, short press switch in between Bluetooth and MP3 modes
5. Long press for volume decrease, short press for the previous song
6. During playing, short press for pause, short press again for playing; when the call comes in, short press for an answer, short press for hang up during the call.
7. LED indicator, during charging, the red stays lit, once it is completely charged, the blue stays lit.
8. A silicon tension band is attached to adjust headphones to fit for different head sizes.

Warning

1. There are some testing songs in aztine bone conduction headphones.
2. Bluetooth signal can’t spread underwater, please switch to MP3 mode when you swimming, if you can t switch to MP3 mode and please charge fully to aztine headphones.
3. Please use a waterproof plug to plug into 3.SMM charging port of headphones before swimming.
4. When you choose to “quick format” aztine headphones on a laptop or PC, please use “FAT32” format and don’t use “NTFS” format, otherwise MP3 and Bluetooth mode will not be able to switch normally.
5. Please make sure that there is no water in the charging port of the headphones before charging or copying music.
6. Suitable liquid: clean water, tap water, sweat, pool water, seawater.
7. Unsuitable liquid: liquids other than those mentioned above, e.g. shower gel, soap water, shampoo, hot spring no more than 60’C, etc.

Headphones feature

1. Power on: press and hold the power key for 3 seconds, LED indicator will light up, it will automatically enter MP3 playback mode after power on, press and hold again for 3 seconds to power off.
2. Mode switching: short press the power key to switch between MP3 and Bluetooth modes.
3. Bluetooth connection: when switching to Bluetooth mode, LED indicator flashes red and blue, automatically enters Bluetooth pairing state (there is a voice prompt), open the phone settings to search for Bluetooth name “K7”, click name “K7” to complete the pairing, if there is no other devices to go with the headphones paired, the headphones will automatically turn off after 5 minutes to save power.

Folder, order and shuffle playback

1. Aztine bone conduction headphones support folder playback mode which is convenient for managing various music. The folder can be named by numbers, the music in the next folder will be automatically played after the song in the previous folder is played.
2. The headphones support order and shuffle playback functions. When there is no number before the song prefix, the default is shuffle playback. You can name each music in numerical order to achieve the headphones order playback. (For example, change the music name to 1.mp3, 2.mp3, 3.mp3 … )

Charging and copy

1. Use 3.SMM jack charging cable to connect Aztine bone conduction headphones, then connect to a SV, 1 A charger or computer. During charging LED will be red and will be blue when fully charged.
2. One new drive letter will appear on the computer when Aztine bone conduction headphones are connected to the computer, you can be copy your favorite music to the new drive letter.
3. Please don’t copy formats other than “MP3, APE, FLAC, WMA and WAV” into the headphones, such as “m4a” format or large capacity MP3 music converted from video, otherwise, it will cause the Bluetooth and MP3 modes can not be switch normally or the music playback failed.

Specification

• Model: K7
• Bluetooth version: 5.0 (transmission radius: 32 feet)
• Memory: 16 GB
• Battery: 300 mA
• Playback time: 6-8 hours (Varies according to the playback volume)
• Call duration: 4 hours
• Charging time: 2 hours
• Standby time: 240 hours
• Operating temperature: 0’C-60’C
• Waterproof rating: IPX8 level, 3 meters underwater waterproof
• Support format: MP3, APE, WMA. FLAC and WAV
• Product size: 5.9X4.3X1 .8 inch
• Product weight: 1 .2 ounce
• Package size: 6. 7X5X2 inch

Q&A

• Q. The keys are malfunctioning and the headphones can not be turned on?
  A. Press and hold the power key for 10 seconds to restore the factory settings.

• Q. After connecting to the computer, the headphones LED indicator does not light up or does not read the disk?
  A. Keep the headphones connected to the computer, press and hold the power key for 10 seconds to restore the default settings; Check if there is water in 3. SMM charging port of the headphones; Check if 3.SMM charging head is fully inserted or replace USB port of the computer; Do not use USB extension cable or Hub to connect the headphones.

• Q. Can not switch to MP3 mode after turning on, the voice repeatedly prompts Bluetooth mode?
  A. Please fully charge for headphones before using it, because you can not switch to MP3 mode when the battery is low.

• Q. The LED indicator of the headphones flashes red and blue alternately after being turned on, always unable to enter MP3 mode?
  A. Check if the music format in the headphones is wrong or the music file is damaged, aztine bone conduction headphones only support MP3, APE, FLAC, WMA, and WAV five formats or check whether there is music in the headphones.

What’s in the box

• Aztine bone conduction headphones for swimming
• USB to 3.5mm jack cable
• Earplugs
• Waterproof plug
• User guide

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 the 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.

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

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