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Product is shipped randomly by Bluetooth 5.0 (most orders ship 5.0), and there is no difference in the value and use of the product.
Note: This product does not have a retail packing box!
Headphones from around the world let you take your day to the next level. It is no longer enough to use only standardized earphones with laces. It is messy, uncomfortable, and even dangerous. That is why our wireless headphones were created. Compatible in all devices.
When purchasing the i7s tws Bluetooth headphones, read this note: Due to long-term transportation, i7s tws electricity will be depleted. When you receive the package, you can't use the earphones. It may be out of power. The first thing you should do is charge the box earphone. Very important. Thank you!
1. Listen to the correct song, compatible with songs and calls,
2. Remember the call number, last call back, all smart Chinese and English voice prompts, start, pair, turn off the phone power will be low voice prompts;
3. The power capacity will be displayed on your Iphone, you can see the power situation at any time, don't worry about electricity, make your life worry free;
4. One to two connections, can be connected to two mobile phones at the same time
5. Bluetooth headphones connected to the phone after power off, it will connect the Bluetooth headphones and then open back to the phone automatically, more convenient;
6. Intelligent compatibility: supports all Bluetooth mobile phones, tablets, laptops, songs, QQ music, movies, etc., all universal mobile phones
1. Controller: 10mm
2. Impedance: 32 OHM
3 Bluetooth version: Bluetooth + EDR
4. Bluetooth use band: 2.4 GHz
5. Power level: Class II
6. Output power: 30mW
7. Bluetooth distance: 10 meter barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Sensitivity of the microphone: -42dB
11 With high quality A2DP / AVRCP transmission of stereo audio and remote control protocol
12 powerful noise reduction circuit (active noise reduction)
13 Switch between Chinese and English (boot does not connect Bluetooth status, press the switch 2 times, hear the tone switch correctly)
13 Talk time is about 2-3 hours
14 Music Time about 2-3 hours
15 Standby time is about 100 hours
How to use:
1> Understand if the headphones have entered pairing mode.
2 & gt; The number of this series is i7s-tws;
3> consider such small size, you need to adjust the volume on your smartphone, there is only one key button on the earphone, to turn on / off / answer or reject phone calls.
If not connect:
Please do whatever is in this step to reestablish the connection:
1. Make sure you have removed all the 'tws-i7' in the bluetooth list of your phone, then press the multi-function button of two earphones at the same time until the blue and red led flash alternately, you will hear a voice that say "on"
2. Click both sides of the multifunction key for 2 seconds until you hear a voice "Doo", there will be a reminder voice that says "connected" or "square".
3 & gt; Turn on the Bluetooth phone and look for 'tws-i7' to connect. When the led blinks blue slowly, it will be successful.
To shelter the cover, grasp both short sides of the cover and gently open it. If you have any problem to pair both earphones, please contact us first, thanks!