DuoTen Waterproof Wireless Earbuds-User Manual
- June 5, 2024
- DUOTEN
Table of Contents
DuoTen Waterproof Wireless Earbuds
Specifications
- BRAND : DUOTEN
- SIZE OF EARPHONE: 27mm(l)23mm(w)23mm(H)
- WEIGHT OF EARPHONE: 5.5g
- TYPICAL CAPACITY: 85mAh
- CHARGING TIME: about 2.5 hours
- WORKING VOLTAGE: 3.3V-4.2V
- STANDBY TIME: 5 minutes
- LISTENING MUSIC TIME: 10-12 hours
- TALKING TIME: 10-12 hours
- BLUETOOTH VERSION: 5.0
- SUPPORT FOR PROFILE: Tensilica HiFi EP, Hardware FFT, SRC, Filter, MC sync, TWS+ RF emission FREQUENCY: class 2
- TRANSMISSION CATEGORY (HZ): 2.402GHz-2.480GHz
- TRANSMISSION DISTANCE: 10m
- AUDIO SAMPLING ACCURACY: 16 bits
- AUDIO SAMPLING RATE: up to 96 kHz
- AUDIO CODING FORMAT: CVSD, mSBC, SBC, AAC, A2DP, HSP
- NOISE-SIGNAL RATIO: >95 dB
- WORKING TEMPERATURE: -15℃- 60℃
- WORKING WET: 10%~85%(Non-freezing stste)
- IMPEDANCE: 32Ω
- TYPE FREQUENCY (HZ): 20Hz~20kHz
- SENSITIVITY: 93±3dB
- INPUT POWER: 2mW~5mW
- M/C STYLE: silicon microphone M/C
- SENSITIVITY: -42±3dB
- SPL: 130dB
Introduction
Advanced Bluetooth 5.0 technology ensures that connections and transmissions are faster and more stable. When you open the charging case, the true wireless earbuds will immediately turn on and pair. Forget about the matching issue. Simply remove the second earphone when using a single earphone to transition seamlessly from single to twin mode. Clear sound is provided with CVC 8.0 noise cancellation technology. An aural feast is provided by this Bluetooth 5.0 wireless headphone with outstanding Hi-Fi stereo sound. You can take calls or redial previous calls using the built-in microphone. Waterproof to IPX7 standards, it can survive sweaty gym workouts. Enjoy music wherever you go! This Bluetooth earphones has a built-in 85mAh battery that can last for 10-12 hours on a single charge. The 2200mAh portable rechargeable case can charge Bluetooth earphones 13 times and has a playtime of up to 156 hours. Furthermore, in an emergency, this charging case can be used as a power bank for your phone or other gadgets.
You can view the battery consumption display at any moment on the smart LCD digital panel. The battery in the charging case can be charged from 1% to 100%. The left and right headphone power consumption indicators are split. There are 5 grids in total, each representing 20% of the earphone’s power (Lights off when fully charged). The design is user-friendly and the functioning is simple. By pressing the Bluetooth earphones, you can answer/reject calls, hang up the phone, wake up Siri, play/pause music, go to the previous/next track, and adjust the volume.
CONNECTION
- Open the charging box, the light circles in the earbuds flash 3 times and automatically pair with each other. The beep sound represents successful pairing.
- Turn on the Bluetooth of cellphone and tap “F9”
MEMORY CONNECTION
-
AUTOMATICALLY DISCONNECT
Put the earbuds into the charging box and close the cover to enter the charging mode. Bluetooth automatically disconnects. -
AUTOMATICALLY CONNECT BACK
When use for the second time open the charging box cover and automatically connect the phone you connected last time. The earbuds will turn off within 5 minutes if you open the box but do not use it.
FUNCTION AND DISPLAY
Please charge the charging case and earbuds before using them for the first time.
POWER CONSUMPTION DISPLAY
- Charging box power consumption indicator: 1%-100%
- Left earbud power consumption indicator.
- 5 grids in total, each grid represents 20% power of earbuds Right earbud power consumption indicator.
- 5 grids in total, each grid represents 20% power of earbuds
SMART CHARGING
-
EARBUDS
Placing earbuds back to charging case enters the charging mode automatically. Ice blue light will on when earbuds are charging and charging case power consumption changes accordingly. The LED lights are off when fully charged and green light circles on earbuds are on. -
CHARGING CASE
Use TYPE-C cable to charge the case. The LED power consumption display increases from 1% to 100% until fully charged.
INDICATE
Please take care when you put earbuds in to the case. Place them in the
right position and if not please adjust them lightly until achieve successful
charging.
MULTIFUNCTIONAL SMART TOUCH CONTROL
Click once
(Call) Answer the call
(Call) Hang up
Click once
(Music) Play/Pause
(Standby mode)Wake up the player
Double clicks
(Call) Reject call
(Music)
Left/previous track
Right/next track
Long Press for 2s
Power on
Refuse to answer the second call
Switch between using earbuds and phone
long Press
Left/volume down
Right/volume up
Long press for 6s to power off
Triple clicks
Wake up Siri
CHARGE THE EARBUDS
During the charging process green LED light circles are always on. They will turn off when fully charged.
Low Power Alert
When battery can only be lasted for 5 minutes you will hear Battery Low
every 20s.
EARBUDS INDICATOR LAMP
| Charging | LED blue light keeps on |
|---|---|
| Charging finished | Green light circle on earbuds keeps on |
| Pairing | Blue and green light circle flashes by turns |
| Successful paring with device | Light off |
CHARGE THE CHARGING CASE
WEARING
RIGHT POSITION
WRONG POSITION
SECURITY INSTRUCTION
- Please keep moderate volume and avoid using earbuds in high volume for long time to avoid hearing loss.
- Please avoid using earbuds when driving, riding or walking on the road.
- Please separate charging cable and charging cable when fully charged.
- 5V/1A or 5V/1.5A is the best choice for charging. Improper Current and Voltage may damage earbuds and charging box and thus warranty is not valid.
ATTENTION
- Please do not use the device in electromagnetic field or radiation environment as Bluetooth device will be influenced. Bluetooth may cuts out or disconnect in such environment.
- We advise you to use the device in enough battery. Low battery may cause disconnection issue when the battery is less than 10%.
- Bluetooth may be interfered when have multiple 2.4GHz signals at the same time or some obstacle between earbuds and device.
- Please do not put the earbuds in water or beat out it. It may disconnect or hurt sound quality.
- We advise you to charge the case 30 days a time when you do not use the device frequently.
- Please refer to the actual product you received as we may not inform customers timely that we upgrade the device.
FAQs
-
When your true wireless earphones are fully charged, how do you know?
Connect the charging cable (included) to the charging connection on the back of the charging case and the other end of the charging cable to a usable USB power source with the earbuds inside. When the power indication light on each earbud turns off, the earbuds are fully charged. -
What is the procedure for resetting my true wireless earbuds?
The standard technique for resetting earbuds like these is to 1) place the earbuds in the charging case with the lid open, and 2) press and hold the charging case’s button for 10+ seconds; you should then see a change in the charging case’s indicator light that indicates a successful reset. -
What is the best way to see if my earbuds are charging?
If you have AirPods Pro or AirPods (3rd generation), you may check whether your AirPods Pro or AirPods (3rd generation) are charging (amber light) or fully charged by tapping the case while it’s on the charging pad (green light). -
When charging earbuds, what does the blue light mean?
The blue light on the outside indicates that the battery is charged. According to the user handbook, it can charge your earbuds up to ten times.
What is the best way to connect both earbuds at the same time?
- Obtain an earphone splitter and connect it to the aux output of your audio device.
- Connect the output jacks of the splitter to the jacks of the two headphones.
- To check the sound quality, play an audio or video file.
Why aren’t my earbuds communicating with one another?
Your device’s Bluetooth setting should be turned off. When you take the
earbuds out of the case, they will immediately switch on. To manually sync the
left and right earbuds, double-press both of them at the same time. NOTE: If
something doesn’t work the first time, give it another shot.
-
Why aren’t my earbuds working?
It’s unlikely that your Bluetooth headphones are faulty if they won’t switch on. All you have to do now is reset it. In fact, a quick factory reset can cure a variety of problems with a Bluetooth headset, including: If your Bluetooth headset won’t connect to your smartphone or laptop. -
When only one of the wireless earphones works, how do you fix it?
To repair bluetooth earbuds, you must first restart the headset. If it doesn’t work, you might try resetting Bluetooth and pairing. If it doesn’t work, check the audio settings on your phone or computer. Otherwise, we believe your sound is the source of the problem. -
What happens if one of the earbuds fails?
If a single earbud only cuts out every now and again, try twisting and taping the cable until sound returns. If twisting the cord doesn’t work, you’ll need to open the earbud and, if possible, solder the connection. You may need to purchase new earbuds in some circumstances. -
How long does it take to charge wireless earbuds?
The earphones take around 2 hours to fully charge. If the battery is low, charging it in the charging case for 10 to 20 minutes can give you an extra hour of use. Connect the charging case to a USB power source or an approved wall charger.
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