How to use Headphone Bluetooth 5.0: 1. Press the charging case, and then remove the two headphones when it opens. 2. Wait 10 seconds ... let the earphones pair automatically. When one earphone indicator is on and the other earphone indicator is off, the pairing is successful 3. Please turn on Bluetooth and search for i9s connection. When the indicators of both headsets are off, it means that the headset is successfully connected to the phone, you can use it immediately. Note: 1. No need to press the buttons of two pairs of headphones, just click the charging box to connect the headphones automatically. 2. Press any headset twice to change the language 3. Please fully charge when using
Features: Bluetooth version: Bluetooth 5.0
Transmission distance: outdoor straight line distance 10-15 meters
Battery capacity: polymer lithium battery
Function: fast charging, HD call
Listening to music time: 2.5 hours Up and down music / pause playback
Call time: 2 hours
Standby time: 130 hours
Charging time: 1-2 hours
Product specifications: full set weight: 131g
Packing specification: 10*10*3.3cm 2 x i9s tws bluetooth earphones (left and right earphones)
1 x Charging box
1 x USB Charging Cable
1 x User Manual
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