i7 Wireless Bluetooth Earphones with V4.2 Bluetooth Chip.
Product features:
Bluetooth version: Version 4.2
Transmission distance: 10-18 meters straight-line distance outdoors.
Battery capacity: Polymer lithium battery 50mAh
Charging case battery capacity: 400mAh
Music listening time: 2.5 hours - Play/Pause
Call duration: 2 hours
Standby Time: 130 Hours
Charging time: 1-2 hours
Working Current: 22mA
Standby Current: 4uA
-Bluetooth class --- Bluetooth level: class 2 and class 3
-frequency band---Frequency Band/Frequency Range: 2.4-2.485GHz
-modulation process---调制过程 : GFSK
-max. transmitter power---Maximum Transmit Power: +2dBm
Pairing method: Long-press the power button to flash the blue light is the normal pairing mode. If you keep pressing the power button without releasing for three seconds, the blue light will flash rapidly, and the sound "paring" will be played. Then, it will enter the dual ear pairing state. After the successful dual ear pairing, the blue light will flash slowly.
Buzzer sound: Power-on prompt: POWER ON
Shutdown prompt: Power off
Pairing status prompt: paring
Connection prompt: Your device is connected.
Disconnection Notice: Your device is disconnected.
Low Battery Alert: Battery Low
Button function: long press to turn on, long press to turn off, single click to pause/play music, answer/hang up the phone, double click to go to the next track.
Charging Indicator Instructions:
Headphone charging indicator: The red light on the headphone lights up when charging, and turns off when the battery is fully charged.
Charging case charging indicator:
1. When the charging case charges the earphones: The green LED light on the charging case flashes when charging, and turns off when the earphones are fully charged.
2. When charging the charging case: The green LED light on the charging case flashes.
