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Gunghayfotchoy BTS139 wireless blue tooth 5.0 stereo two-ear plugs earphone 2019 latest version

BTS139Black or White
Wireless Bluetooth 5.0 touch-controlled multifunctional headset, Passive Noise Control(PNC) noise reduction technology, intelligent AI assistant .Compatible with the android and iOS operating systems .Black or white choosable.
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Technical Specification


Bluetooth version: Bluetooth 5.0

Chip: RTL8763BFR

Bluetooth range: 10 meters (Clear space)

Bluetooth transmitter frequency range: 2.4~2.48GHz

Protocol: HFP1.7 HSP1.2 A2DP1.3 AVRCP1.6

Audio decoding mode: SBC+AAC

Drive units: 6mm

Impedance: 16Ω

Speaker sensitivity: 101db@1KHZ

Microphone sensitivity: -38db@1KHZ

Standby time: About 150 days for the charging case and about 50 days for the headphones

Playtime: About 4-5H

Battery capacity: The left earphone is about 50mAh+, the right earphone is about 50mAh and the charging case is about 850mAh.

Charging time: About 1H for headphones and about 2H for charging case.

Charging voltage: 5V/500mA

System support: iOS / Android

Waterproof rating: IP65

Please read this manual carefully before using this product. Please keep the manual properly.

Please read the following warnings before using the headphones:
1. Do not keep listening to the music at high volume. If there are problems such as tinnitus and hearing loss, please lower the volume or stop using the headphones.

2. Do not use headphones to listen to music while driving, which will distract the driver and cause danger.

3. The headphones are not toys and the children should use it under the supervision of adults.

4. Avoid using headphones in environment where the temperature is below -15 ° C or above 45 ° C or humidity is above 95%.

5. If you feel obvious discomfort, harshness and other adverse reactions when using headphones, stop using it immediately.

6. The headphones and charging case are built in with non-removable charging battery. Do not remove or replace the battery.

Starting Up Instructions:
1,When using the headphones for the first time, please turn on the Bluetooth of the mobile phone manually and then open the charging case. Find the earphone with the user name BTS-139 in the Bluetooth on the mobile phone and click to connect. After first connection, you don’t need to repeat the above operations. Turn on the Bluetooth and take out the headphones from the case, they will automatically pair and reconnect to the mobile phone.
2,Auto play function: The music is automatically played when the headphones are worn, automatically paused when they are removed.

Touch Control Function Instructions:
1,Answer phone calls: Double-tap the left or right side of the headphones to answer or hang up the phone.
2,Music play control:

(1) Tap on the left/right side to decrease/increase the volume.

(2)Double-tap on the left/right side to switch to the previous/next song.

(3) Long-press on the left/right side to activate the voice assistant.(Some mobile phones need some setting before using the voice assistant function, please refer to the manual for details)

(4) When the headphones are not connected with mobile phone, tap on both sides for four times continuously to clear the headphones pairing information, you will hear a prompt tone. (5) When the headphones are not connected with mobile phone, tap on both sides for five times continuously to reset to the default setting, you will hear a prompt tone.
(Note: Please do not use the fourth and fifth touch functions unless when the headphones cannot connect to the mobile phone or cannot be paired).

Description of Charging Case:
1,The headphones may automatically start charging after they are placed in the charging case and will automatically stop charging when they are fully charged. Meanwhile, the  indicator light will turn off and the headphones enter in sleep mode. When charging, the indicator light will be blinking and the number of the lights represents the battery charge level (2 lights=25%). When fully charged, the light is always-on.,2,Battery charge level display: iOS system will display battery level; some models of Android system will display high, medium and low battery level in the status bar.

1,The strength of the Bluetooth headphone signal will be affected by the surrounding environment and the strength of the mobile phone signal. When there are multiple Wi-Fi or Bluetooth signals nearby or in places where there is large electromagnetic interference such as station, subway or airport, the Bluetooth signal of headphones will weaken or even disappear.
2,When using Bluetooth headphones to watch videos or play games, there might be a latency between the sound and the pictures.

3,In case of unsuccessful pairing, stuttering or compatibility problems, please put both headphones into the charging case at the same time and close the lid so that the headphones can restart. Take them out again after 10 seconds.
4,If you can’t turn on the headphones when using them for the first time, please put them into the charging case to fully charge them and connect the case with power at the same time.
5,It is recommended to place the phone on the right side when using a Bluetooth headphones in a signal jam environment for a more stable connection.

Packing list:

1 pair of earbuds

1 charging case

1 type-c charging wire

1 User manual

7 pairs of earmuffs


Average rating: 5.0
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