SENTRY BTO300 Open on Ear Hook Bluetooth Headphone

 

How to use

Setup 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 earphone will automatically turn on and start to pair in 5 seconds
• STEP 3 You can now turn on the Bluetooth function of your mobile phone or audio device.
• STEP 4 Search and select BTO300 on your device and connect.

Main functions

Button sensor is located on the top of the Left (L) and Right (R) of the earphones (see fig 1)

1. Power on earbuds
   1. Take out the earphones from the charging case;
   2. Manually turn on – If the earphones are still powered off, long press the button sensor on the top of both the earphones for about 3 seconds. (see fig1) note: please make sure charging case and earphones are charged
2. Power off earbuds
   1. Return the earphones to the charging case to power off (note: please make sure the charging case has a charge otherwise the earphones will not turn off automatically) :
   2. Manually turn off the earbuds : Long press the button sensor (see fig 1) on the top of both the earphones (for about 5 seconds).
3. Dual earphones auto-paring The earphones will auto pair with each other when they are taken out of the case. After both earphones are auto-paired,but there is no device connection with the earphones within 5 minutes. both earphones will turn auto-off. After initial setup and successful pairing and connection with your device, both earphones will pair and connect with your device automatically.
   Troubleshoot: If the earphones do not auto pair or do not connect with the device,it is best to restart the earbuds. To restart, Turn OFF your music / smartphone device. Manually power off both earphones and manually turn them back on by pressing the button sensor on both earbuds for 6 seconds and then again for 6 seconds (see above for power on and off instructions of the earbuds). After turning on the earbuds,turn ON your music/phone device and search for BTO300 under Bluetooth settings, and connect to the earbuds again.
4. Music play/pause: Short press the button sensor (fig 1) on either L or R earbud.
5. Voice assistant: for smart phones with voice assistant and successful connection with device: Long press the button sensor (fig 1) on either L or R earbud.
6. Next song: Double click the button on the Right (R) earphone when playing music.
7. Previous song: Double click the button sensor (fig1) on the Left (L) earphone when playing music.
8. Volume up: Three click the button sensore (fig.1) on the Right(R) earphone
9. Volume down: Three click the button sensore (fig.1) on the Left (L) earphone
10. Answer call / End call: Short press the button sensor on either Left or Right earphone (see fig 1) for 1 second. Note:When playing music and there is a coming call, the music will automatically pause. Once the call has ended, the music will automatically play.
11. Reject phone call: Long press the button sensor (fig 1) on either L or R earbud for about 2 seconds.

Charging the case
Insert the provided USB charging cable to charge the charging case with a USB power adapter. It will take approximately 5 hours to fully charge the case. The digital display of the charging case will indicate the recharging process, and 100 battery level means fully recharged.

Note: When the charging case runs out of the battery, it is important to Turn off both earphones before putting them in the charging case. If there is no power on the charging case, the earphones will not auto turn off when they are put back into the charging case. Therefore, the earphones need to be manually turned off. (see above for power off instructions of earbuds)

Charging the earphones

Earphones are charged using the charging case provided. The charging case should be fully charged and has sufficient power before it can charge the earphones. Put the earphones into the correct position on the charging case for charging.

1. When earphones start charging, the earphones will have LED light on and still.
2. When earphones are fully chargeed, LED lights on earphones are off.

Note:

1. If the earphones are not placed securely into the case, it may not charge. Please take out the earphones and re-insert them in the case until the earphones start charging. Also make sure the lid is properly closed so that charging the earphones can start.
2. If after some time, the earphones stop charging, try to use a dry cotton swab to clean the bottom charging points on the earphones and the inductive pins on the charging case to remove any dust and sweat.
3. If one of the earphones has run out of battery, the other one will continue to work until it runs out of power, too.

Specifications

• Pairing name: BTO300
• Bluetooth version: V5.3
• Earphone Battery capacity:3.7V,30mAh + 30mAh = 60mAh
• Case Battery capacity:3.7V,400mAh
• Power input: Dc 5V 1A
• Bluetooth effective distance: 10m

*Note: Playtimes and charge times are approximate and are based on 50% volume and earbuds and case being fully charged. Playtimes and charge times may be affected by several factors including battery condition, temperature, and distance music. Total playtime includes one full charge already in the bud and a fully charged case.

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.

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.
USB Type-C® and USB-C® are registered trademarks of USB implementers Forum.

Sentry Industries inc declares that radio equipment BTO300 is in compliance with Directive 2014/53/EU.
The EU declaration of confirmity is available at https://sentryindustries.com/european-declaration-of-conformity/Confirmity 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.

Important Safety instructions

1. Read these Instructions.
2. Keep these Instructions.
3. Heed all Warnings.
4. Follow all instructions.
5. Do not use this device near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Use in accordance with the manufacturer’s instructions.
8. Do not charge near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Discontinue use if damaged
10. Protect the cord from being walked on or pinched particularly at plugs, convenience receptacles, to the point where they exit from the device.
11. Only use attachments/accessories specified by the manufacturer.
12. Unplug this apparatus during lightning storms and when charging is complete.
13. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
14. Headphones are capable of producing sound levels which can be harmful to your hearing. Do not listen at high volume for prolonged periods of time. Headphones may block out surrounding sounds

*Never wear headphones while operating a vehicle. Headphones may block out surrounding sounds
*Never wear headphones while operating a vehicle. Use with caution. User assumes all risks associated with the use of this product.

WARNING

• *CAUTION: To prevent electric shock, use only compatible and certified USB charging devices.
• WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
• CAUTION: Use of controls or adjustments or performance of procedures other than those specified may damage your device.
• 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.
• WARNING: Always store in a cool dry location. *WARNING: Headphones are capable of producing sound levels which can be harmful to your hearing.
• WARNING: Don’t over insert into ear canal. Discontinue use at the first sign of discomfort. Only use designed pads. Do not use dirty or damaged ear pads. Contains small parts that may present a choking hazard. Keep away from children.

Supplier’s Declaration of Conformity
47 CFR 47 CFR Part 15.21, 15.105(b) Compliance Information
Sentry Bluetooth Earphone and Headphone
Responsible Party – Sentry Industries inc
One Bridge street, Hillburn, NY 10931
Tel +1 845 753 2910

FCC Compliance Statement

FC 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 2 intere received, inclusio interference that may cause undesired operation. Model#BT0300

“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 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.

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

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 accident, 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.

Documents / Resources

SENTRY BTO300 Open on Ear Hook Bluetooth Headphone [pdf] User Manual LBTO300, 2ACP4LBTO300, BTO300 Open on Ear Hook Bluetooth Headphone, BTO300, Open on Ear Hook Bluetooth Headphone, Hook Bluetooth Headphone, Bluetooth Headphone, Headphone

References

• User Manual