SENTRY BT958 True Wireless Earphones User Manual

SENTRY BT958 True Wireless Earphones

Using your True Wireless Earphones

Charge the earbud and case first. Make sure the charging case and earbuds are fully charged.

• STEP 1 Turn off the Bluetooth function from your music device. E.g., Mobile phone or music device.
• STEP 2 Take out the earbuds from the charging case after they have been charged. The earphones will automatically turn on. You will hear “Power on”, Wait 5 seconds so that both earbuds can connect to each other. you will hear a prompt tone to suggest that both earbuds are paired successfully, the right earbud will have a blue and red light flashing alternatively but the left earbud will have a very slowly flashing blue
• STEP 3 You can now turn on the Bluetooth function of your mobile phone or audio device. Search
  and select BT958 on your device and connect. When the earbuds are connected to the device
  successfully, you will hear ” Connected” and the earbuds will have a very slowly blinking blue light.

If you turn off the Bluetooth function on your mobile phone, you will hear “Disconnected”, the right earbud will have a blue and red light flashing alternatively but the left earbud will have a very slowly flashing blue light. The pairing mode between both earbuds and the device will remain for about 5 minutes, After that earbuds will turn auto-off if no device connection in 5 minutes, and you will hear “power off”.

After the initial settings, both earphones will auto-pair with your device directly and you can skip Steps 1 and 2. Fig 1 (shown in the image).

Button Function

On/off

• Turn on: Long press both left and right earphones (Fig 1) for about 4 seconds to turn on earphones;
• Turn off: Long press the left or right earphone top button (Fig 1) for about 4 seconds to turn off the earphones.

Answer/ Hang Up
When there is an incoming call not press the top short and press the top button (Fig 1) on the left or right earphone to end the call.

Reject/ Call Back
When coming call, long press the left or right earphone for about 2 seconds to refuse the call. (Fig 1)
Three-click the right earphone to resume back to the last call.
Three-click the left earphone to open the voice assistant.

Play/Pause Music
To pause playing music, short press either the left or right earbud (Fig 1) to pause. To continue playback, short press either the left or right earbud (Fig

1. to continue playback

• When playing music and there is an incoming call, music will be auto-paused and auto-play when end the call.
• If one of the earbuds has run out of battery, the other one will continue to work until it runs out of power also.

Last/Next Song Control

• When playing music, double-press the left earphone (Fig 1) to switch to the Last song:
• Double-press the right earphone (Fig 1) to switch to the next song.

Charging the case and earbuds

Part 1:Charge the charging case (Fig 2)
The charging case (Fig 2) charges the earbuds. It is important that the charging case is recharged. To do this, Insert the provided charging cable to charge the charging case (Fig 2) with a USB power adapter.

• The LED light on the case will keep on flashing when it is charging. When fully charged, the LED lights will keep on and still.
• Charging the case will take 2 hours to fully charge the case but charging amount times may vary depending on battery status

Note:
When there is no charge left on the charging case, the case will start to flash to announce low battery and then turn off completely.(4 Lights on means 100% battery, 1 light means 25% battery).

Part 2:Charge the earphones (Fig 1):
The charging case should be fully charged and have sufficient power before it can charge the earbuds. Put the earphones into the correct position on the charging case (Fig 2) for charging. Turn off the earbuds by long pressing the top button of both earbuds (Fig1) for about 4 seconds before placing them into the case.

If the earbuds are not placed securely into the case, they may not charge. Please take out the earbuds and re-insert them in the case. Sway the earbuds in the case from side to side, to make sure the earphones and inductive charging pin on the charging case are touched properly if needed. Also, make sure the lid is properly closed so that charging the earbuds can start. Using large earpads could also obstruct the closure of the case, and so may need to be removed.

When the earphones are charging properly, the led light on the earphone and the charging case will also turn on and still to confirm that charging has started. When the earphones are fully charged, the led light on the earphones will turn off first, and moments later, the led light on the charging case will also turn off.

When earphones are on low battery. you will hear a prompt tone to announce low battery. When the earphones run out of battery, you will hear “power off, and the earphones will auto-off.

Note:
When the charging case runs out of battery. It is important to turn off both earphones before charging them in the charging case. (If there is no power on the charging case, the earbuds will not auto-turn off when they are put back into the charging case. Therefore, the earbuds need to be manually turned off by pressing both earbuds for about 4 seconds simultaneously before putting them back into the charging case. Charge the charging case (Fig 2) so that the earbuds can be recharged as well.

If after some time, the earbuds stop charging, try to use a dry cotton swab to clean the bottom charging points on the earbuds and the inductive pins on the charging case to remove any dusts and sweat.

Frequently asked questions

Bluetooth earbuds cannot turn on?

1. You can check if the earbuds are with power or not. if not, please fully charge both earbuds before turning it on. (Also charge the charging case as well to make sure there it has enough power to charge the earbuds)
2. Make sure the earbuds are properly charged by placing them securely into the charging case Fig 2)
3. Turn on the earbuds please long-pressing both earbuds for about 4 seconds (Fig 1)

Bluetooth earbuds signal is unstable?

1. Restart the Bluetooth earbuds by turning them off and then on. To do this long press (Fig1) for about 4 seconds to turn off and a long press about 4 seconds to turn on again.

2. Please kindly check the compatibility and calling communication quality of the mobile phone.
   The playing device should be no more than 1.5 meters (4 feet) from the earbuds

3. The distance between both earbuds should be no more than 0.5 meters (2 feet) apart

4. Interference from other devices or areas (crowded areas) may cause some signal instability.
   Move to another area to see if it improves.

Why can’t hear voice playback?

1. Please kindly check if your playback device volume is on or on mute status.
2. Please kindly check if Bluetooth earbuds and phones are connected well. Resetting the device may be necessary (see below on how to reset)
3. Check the distance between earbuds and phone is no more than 1.5 meters (4 feet)

Reset:
If the earbuds are not pairing correctly or continue to have issues. please delete the earbuds from your phone by going to the phone’s Bluetooth settings and removing them. Then follow Steps 1-3 on the first page of this manual to re-pair your earbuds to your phone device.

If there is an interruption in the earbuds, it may be due to some interference. If the interruption continues. please turn off the Bluetooth function from the music device or phone, and then turn off both earbuds by putting the earbuds back in the charging case and taking the earbuds out from the charging case again to turn them on again. Once the earbuds have restarted. please turn on the Bluetooth on the music device or phone.

Specifications

• Model: BT958
• Bluetooth Version: 5.3
• Power Input: DC 5V
• Earphone Working Time: About 4 hours at 50% volume
• Earphone battery capacity: 40mAh+40mAh=80mAh
• Charging Case battery capacity: 400mAh

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Limited 90-Day Warranty

Sentry warrants this product to be free from defects in materials and workmanship for 90 days from the date of original purchase. This warranty does not pertain to damage resulting from accidents, abnormal use, misuse, or neglect. Any defective product will be replaced if returned to an authorized Sentry dealer or to Sentry directly at PO Box 885, One Bridge Street, Hillburn, NY 10931. Please enclose a $5 check for return shipping.

The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sentry Industries Inc is under license. Other trademarks and trade names are those of their respective owners.

Sentry Industries inc declares that radio equipment BT958 is in compliance with Directive 2014/53/EU. The EU declaration of conformity is available at https://sentryindustries.com/european-declaration-of-conformity/.

Conformity with Directives
This product is CE marked to denote conformity with Directives 73/23/EEC (low voltage) and 89/336/EEC (Electromagnetic Compatibility), as amended.

Environmental Protection
Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check with your Local Authority or retailer for recycling advice.

Supplier’s Declaration of Conformity 47 CFR 47 CFR Part 15.21, 15.105(b) Compliance Information

Sentry Bluetooth
Responsible Party
SENTRY INDUSTRIES INC
ONE BRIDGE STREET, HILLBURN, NY 10931, USA
TEL +1 8457532910

FCC Compliance Statement

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.”

• FCC ID: 2ACP4LBT960
• Model #BT958

NOTE:
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 the receiver.
• Connect the equipment to 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

Warning:
Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.”

Charging your device

Only use a power adapter with applicable country regulations and international and regional safety standards. Other power adapters may not meet applicable safety standards, and using such adapters could pose a risk of death or injury.

Avoid prolonged skin contact with the charging cable and connector when the charging cable is connected to a power source because it may cause discomfort or injury. Sleeping or sitting on the charging cable or connector should be avoided.

WARNING:
To prevent possible hearing damage, do not listen at high volume levels for long periods. For traffic safety, do not use earphones while driving or cycling.

If you have a pacemaker or other electrical medical devices, you should consult your physician before using the product.

Choking hazard:
The product, packaging, and some of the included accessories may. present a choking hazard to small children. Keep these accessories away from small children. The bags themselves or the many small parts they contain may cause choking if ingested.

Danger:
Improper battery replacement may cause an explosion and injury.

Responsible Party
SENTRY INDUSTRIES INC
ONE BRIDGE STREET, HILLBURN, NY 10931, USA
TEL +1 8457532910.

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