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When purchasing the i7s tws Bluetooth headset, please read this note: Due to long-term transportation, the i7s tws Electricity will be depleted. When you receive the package, you cannot use the headset. It may be that it is out of power. The first thing to do is to charge the headset box. Very important. Thank you!
1. Driver: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth 5.0 + EDR ( Support for binaural calls)
4. Bluetooth use band: 2.4GHz
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. Mic sensitivity: -42dB
11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12. Powerful noise de-noising circuit (active noise reduction)
13. Talk time is about 2 – 3 hours
14. Music time about 1 – 2 hours
15. Standby time is about 100 hours
HOW TO USE:
1> Please check if the headset has entered pairing mode.
2> The name of this earphone would be i7s-tws;
3> Consider it’s so small size, you need to adjust the volume on your smart phone, there is only one key button on the earphone, for power on/off/answer or reject phone calls.
IF NOT CONNECT:
Please do as this step to reset the connect:
1>Please make sure you has deleted all ‘tws-i7’ in your phone’s bluetooth list, then Long press the multifunction button of two earbuds at the same time until the led flash in blue and red alternately, you will hear a voice says ‘Power on’
2>Click either side of the multifunction key for 2 seconds until you hear a voice ‘doo’, there would be a reminding voice says ‘Connected’ or ‘Paired’.
3>Turn on the phone Bluetooth and search ‘tws-i7’ to connect. When the led flash slowly in blue, they paired successfully.