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异常情况解决方案
1.手机无法搜素到蓝牙耳机？
A)确认蓝牙耳机是否开机（如开机，蓝红指示灯交替闪烁）
B)如果确认已开机仍然无法搜索到，请重启蓝牙和手机。
2.蓝牙耳机和手机连接之后总是断线或是有杂音？
A)蓝牙电量不足，需要尽快给蓝牙耳机充电；
B)手机和蓝牙之间有阻碍或距离超出信号接收距离，请不要用手捂住蓝牙，为了保持信号的连续稳定性，请尽量保
持蓝牙和手机在同一方向。
3.其他蓝牙手机用户是否会听到我的通话内容？
耳机与蓝牙手机配对，会建立仅供这两个蓝牙设备使用的专用链接路线，根据耳机所采用的蓝牙技术，第三方是不
容易监听到通话内容的，而且蓝牙无线信号的射频功率远远小于普通的移动电话，所以这些信号很难被第三方侦查
到。
4.当手机与蓝牙耳机超出有效距离后会怎样？
当手机与蓝牙耳机超出有效距离后，蓝牙耳机与手机的连接会自动断开，当回到有效距离内时，耳机会自动与手机
连接，不需要任何设置，但是部分手机不支持该项功能，需要在设置列表内找到蓝牙设备选择连接即可。
5.如何给蓝牙耳机充电？
A)将充电器插头插进耳机中，将充电器带有释放标签的一面朝下，耳机的正面朝上；
B)将充电器的另一端插进电源插座中，充电时，耳机的指示器亮起直至充电结束，第一次充电时间大约需要8个小
时，以后充电2.5小时左右；
C)当充电结束时（指示灯关闭），从电源插座中取下充电器，按充电器插头上的释放键，将充电器从耳机中取下。
（注：您在驾驶车辆时，可用原装的车载电源充电器给蓝牙耳机充电）
重要事项
1.为了避免损伤你的听力，请限制你在高音量下使用耳机的时间，并将音量设定在一个安全的水平。音量越高，安全
聆听时间便越短；
2.身处有潜在危险的场所时，请暂停使用耳机，为防止损坏或出现故障；
3.请不要将耳机暴露在过高温度的场所，例如加热设施附近或受阳关直接照射的汽车内；
4.请不要将耳机浸入水中；
5.请不要使用任何含酒精氨，进行清洁。如有需要，请使用软布进行清洁；
6.请不要将耳机的储存在温度低于-15度或者高于35度的地方，在低温条件下，电池的寿命可能会缩短；
7.请使用指定的USB充电设备。（充电电压DC4.75V-5.5V )
3
Product parameters
Product type
Dynamic Earphone
Speaker diameter:
32Ω±15%
Speaker impedance
500mah
Battery capacity
Battery type
Polymer Lithium Battery
2.5 Hours
Charging time
Connect to Bluetooth earphone
1. Power on: in the off state, long press
(about 3S), when you hear the "Power ON" prompt sound, the indicator
light flashes red and blue alternately;
2. Pairing: In the power-on state, turn on the Bluetooth function on the mobile phone or other device, and search or
scan. At this time, the nearby Bluetooth device is searched on the device, and then click the Q7C headset to enter
the pairing. The indicator light flashes once for 5S, and the pairing is successful.
3. Normal playback mode: the indicator light flashes once every 5 seconds;
4. Unsuccessful connection mode: The indicator light flashes twice every 5S, and it will automatically shut down after
10 minutes. The ear shell LED light needs to be turned off manually.
5. Power off: In the power on state, long press
the power off state, and the indicator light will go out.
Function introduction
1. "+"Volume + (next song), press once for the next song, long press and hold to increase the
volume, there will be a deep beep when the volume is increased to the maximum.
2. Single click:
dial/answer/end call button, pause/play button;
3. Double click:
Bluetooth mode-(turn on/off the LED light), Press for 0.5 seconds in wired
mode-(turn on/off the LED light);
4. "-"Volume-(previous song), press once for the previous song, long press and hold to decrease
the volume, there will be a deep beep when the volume is reduced to the minimum.
5. Indicator light.
6.Line In interface.
7. USB charging port.
8. Microphone.
9. The three-section plug of the Line cable is plugged into
the Line interface of the earphone.
10. Click the button: dial/answer/hang up button, pause/play
button, wired mode.
11. Microphone.
12. Line cord three-section plug, suitable for 3.5mm single
jack audio equipment such as mobile phones, tablets, laptops, etc.
Duration time
50mm
Transmission distance
Working voltage
Charging voltage
Headset/Usb ChargingCable/line In
Headset
Accessories
Connection Cable/Storage bag
(3S), when you hear the "Power OFF" prompt sound, it will enter
2
4
8
English
≥30 hours
10 m
3.7V
DC4.75V-5.5V
1
3
5
6
7
4
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