How to Use i9s :

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-tws 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
it is the video use method link:https://ae-cn.alicdn.com/AYw32qnsgGzrRHEhfuR__hd.mp4

Note:this product has no retail box!!!

Specification:

1. Driver: 15mm
2. Impedance: 9 OHM
3. Bluetooth version: Bluetooth 5.0
4. Output power: 40mW;Battery capacity 35MAH , charging box is 300mh .
5. Bluetooth distance: 10 meters
6. Frequency response: 20-20000Hz
7. Operating voltage range: 3.0V-4.2V
8. Powerful noise de-noising circuit (active noise reduction)
9. Charging time about 1-2 hours .
10. Talk time is about 2-3 hours (a pair of earphones use together ),music time about 2-3 hours (a pair of earphones use together ) , Charging box can charge for the earphons about 3-5 times.

Products include:

1 * One pair of Bluetooth headsets(no Original box)
1 * charging box
1 * charging cable
1 * User Manual