Please note: It is suitable for all smartphones, please don't worry

Guaranteed 100% Checked before sent out.

Matching steps:

1: Long press the multi-function buttons of both sides at the same time until the led flashing in red and bule alternately;

2: Then double-click the left earphone to automatically pair;
3: Turn on the phone bluetooth on your device and choose "i7S " to connect;
4: Matching completed.

i.12 Feature:
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.
i.7s Feature:
Specification:
1. Bluetooth version: Updated to Bluetooth v5.0 + EDR (Support two earphones to call)
2. Power level: CLASS 2 and Class 3
3. Output power: 30mW
4. Frequency response: 2.4-2.85GHz
5. Operating voltage range: 3.0V-5V
6. Mic: -42dB (with microphone)
7. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
8. Powerful noise de-noising circuit (active noise reduction)
9: Earphones battery: Polymer lithium battery 50mA
10.Charging time:0.5-1 hours
11. Talk time: 2-3 hours
12. Music time: 2-3 hours (100% Gurantee,No virtual mark, Its full)
13. Standby time : 130 hours
14: Transmission distance: Out door strainght distance of 10-15 meters

Package Includes:
2 x Bluetooth Headphones
1 x Micro USB Charging Cable
1 x User Manual