User's Manual

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○ 一拖二功能：先将蓝牙耳机和 A 手机进行配对连接，再关闭 A 手机蓝牙功能。然后将蓝牙耳机和 B 手机进行配
对连接，再打开 A 手机的蓝牙功能，蓝牙耳机会自动回连 A 手机（手机要具备自动回连功能）或直接点击蓝牙
耳机手动回连 A 手机，此时蓝牙耳机可同时连接上 AB 两部手机，实现一个蓝牙耳机拖二部手机的功能。
1-to-2 Multipoint Connecting: Pair the headset with cell phone A, and disable the Bluetooth function of A.Then, pair
the headset with cell phone B and after connect successfully , Then enable the Bluetooth function of A. If your cell
phone supports the automatic re-connection function, the Bluetooth headset will be automatically connected to A.
Alternatively, you can press the headset to re-connect to A. At this time, the Bluetooth headset can be concurrently
connected to A and B.
○中/英文语音切换：配对状态下，同时长按MFB主按键、音量+和音量-按键约5秒，同时伴有提示音。
Chinese/English Switch: At the pairing status, long press MFB button、 Volume+ and Volume- simultaneously about
5 seconds to switch language, and a buzz sound is heard.
○恢复出厂设置：在充电状态下，长按住 MFB 按键 5 秒左右，红灯闪三次，实现恢复出厂设置。
Factory setting restoration: Press the MFB button for about 5 seconds when the headset is being charged. The indicator
blinks red for three times and the factory settings are restored.
○微信测试：语音聊天通话（无断续卡顿电流声及其他异常问题出现）。