1 Long press the multifunction buttons of both sides at the same time until the led flashing in red and bule alternately
2 Then doubleclick the left earphone to automatically pair
3 Turn on the phone bluetooth on your device and choose i7S Tws to connect
4 Matching completed
Note This product does not have a retail package box
Specification
1 Bluetooth version Updated to Bluetooth v50 EDR Support two earphones to call
2 Power level CLASS 2 and Class 3
3 Output power 30mW
4 Frequency response 24285GHz
5 Operating voltage range 30V5V
6 Mic 42dB with microphone
7 With A2DP AVRCP high quality stereo audio transmission and remote control protocol
8 Powerful noise denoising circuit active noise reduction
9 Earphones battery Polymer lithium battery 50mA
10Charging time051 hours
11 Talk time 23 hours
12 Music time 23 hours 100 GuranteeNo virtual mark Its full
13 Standby time 130 hours
14 Transmission distance Out door strainght distance of 1015 meters
Package Includes
2 x Bluetooth Headphonesleft and right earphones
1 x Charging box
1 x Micro USB Charging Cable
1 x User Manual