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Gunghayfotchoy BTS137 bule tooth5.0 wireless earphone for action

BTS137Blue tooth 5.0
Gunghayfotchoy BTS137 bule tooth5.0 wireless earphone for action ,fast charge ,IP54 waterproofing grade,Reflective at night.
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    black alternating with white
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  • Description
  • Technical specifications
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Blue tooth version: blue tooth 5.0

Blue tooth working range: 10m (barrier-free space)

Frequency range of blue tooth transmitter: 2.4~ 2.48ghz

Modulation of blue tooth transmitter: GFSK, TT/4 DQPSK,8DPSK

Support protocols: A2DP v1.2, AVRCP v1.4, HFP v1.6, HSP

Audio decoding mode: SBC

Drive unit: 8mm

16 Ω impedance:

Frequency response range: 50Hz-- -20khz

Sensitivity: 89db

Standby time: 240 hours

Bluetooth music/talk time: about 7 hours

Charging time: < 2 hours

Charging voltage: 5V, charging current: 500mA

Operation current: 15mA

Working environment: - 10 ℃ ~ 45 ℃, humidity is 80% or less

Battery type: rectangular lithium ion rechargeable battery (100mAh)

Software support: iOS and Android

Bs-137 operating instructions

Please read this instruction carefully and keep it well before use.

Please read the following notes before using this earphone:

1. Do not listen at high volume continuously. In case of tinnitus and hearing loss, please lower the volume or stop using this earplug.

2. Do not use headphones to listen to music while driving, in order to avoid the danger of distraction.

3. Children should use earplugs under adult supervision. This product is not a toy.

4. Avoid at temperatures below - 10 ℃ or higher than 45 ℃, humidity higher than 80% under the environment of the use of the earphone.

5. If you feel obvious discomfort, irritation or other adverse reactions, please stop using the earphone immediately.

6. This earphone USES built-in non-removable rechargeable battery. Please do not try to remove or replace the battery.


Standard package inside:

1 earphone

1 USB charging cable

1 copy of the operation manual

4 Sets ear cover


Multi-function button position : (between + and - buttons)


Bluetooth pairing method:

Press the multi-function button until the earphone emits the "du", and the white and red indicator lights flicker alternately. The earphone enters the pairing mode. Turn on the blue tooth function of the phone, start searching for the headset device, and then select "BS-137" to start using.

After the pairing is successful, the headset emits a “du”.

When the blue tooth is disconnected, the ear will “du”.

Power on: long press the button for 5 seconds, the earphone will sound "du", the white light will flash for 3 times, and the earphone will be started;

Power off: long press the button for 5 seconds, the earphone will sound "du", the red indicator will flash for 3 times, and the earphone will be power off;

Note: the maximum time of blue tooth pairing is 5 minutes. If the pairing is not successful, please repeat the above steps to pair again.

Play/pause: when music is playing, press the "pause" button and press the "play" button again.

Answer the phone: when there is a call, press "answer".

End call: during the call, press the button once to end the current call;

Reject call: when there is a call, press 2 seconds to reject the call;

Voice assistant: in any mode, double click to wake up voice assistant function.


Button function:

Volume + button: click the volume + button to increase the volume, and long press to switch to the next song.

Volume - button: click volume - button to reduce the volume, long press to switch to the first song.


Sleep mode:

After blue tooth connection, if the headset is not used for more than 20 minutes, the headset will enter the sleep state and click the function button to automatically wake up.


Indicator light

Power on: white light, red light at the same time.

Power off: white light, red light at the same time.

Pairing mode: white light flash.

Mobile phone blue tooth disconnect: white light flash.


Working status:

the white light flashes every 7 seconds.

Low power: the red light flashes every 6 seconds and beeps.

Charging status: the white light is always on during charging and off after full charge.

Average rating: 5.0
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