User Manual
线控器按键功能
Key functions of line controller
（随手机品牌，型号，系统版本不同而有所差异，请消费者自行验证，恕不
一一列举）
(Vary with the brand, mode and system version of the mobile phone. The
consumers shall make verification by themselves.)
在
开/关机:长按
“ ”键 5 秒开/关机
On/off: Press and hold the key for 5 seconds to turn on/off.
暂停音乐或视频：短按“ ”键暂停播放，再按一下恢复播放
Music or video pause: Press the key to pause playing, and press the key again to resume
playback.
增加音量：长按“+”键，减小音量：长按“-”键
Volume increase: Press and hold the key +; volume reduction: Press and hold the key -.
下一曲：短按“+”键，上一曲：短按“-”键
Next song: press the key +; previous song: press the key -.
接听/挂断电话：来电时短按一下“ ”接听来电，再按一下挂断通话
Answer/hang-up: press the key to answer when the call is incoming, and press it again to
hang up.
拒听来电：长按“ ”约 2 秒后放开
Rejection: Press and hold the key for about 2 seconds and then release it.
中英文语音切换：同时短按“ ”和“+”键
Chinese-English voice shifting: Press and + at the same time.
智能一拖二设置方法
Setting method of intelligent one-driving-two
步骤一：先把第一部手机配对连接
Step I: pair and connect the first mobile phone
1.蓝牙耳机关机状态下，长按多功能键约 5 秒钟，直到耳机指示灯出现红蓝灯交替快闪
时进入可配对状态
1. In the off state of the Bluetooth headset, press and hold the multifunction key for about 5
seconds and enter into the pairing state when the red and blue headset indicating lamps alternately
and quickly flash.
2.打开手机 A 的蓝牙功能，搜索蓝牙找到‘BT250’序号名进行配对后完成连接
2. Enable the Bluetooth function of the mobile phone A, search Bluetooth to find ‘BT250’
sequence name to pair and then connect.
步骤二：再配对连接第二部手机
Step II: pair and connect the second mobile phone
1.将蓝牙耳机关机，手机 A 蓝牙关闭
1. Turn off the Bluetooth headset to disable the Bluetooth of the mobile phone A.
2.蓝牙耳机关机状态下，长按多功能键约 5 秒钟，直到耳机指示灯出现红蓝灯交替快闪
时进入可配对状态
2. In the off state of the Bluetooth headset, press and hold the multifunction key for about 5
seconds and enter into the pairing state when the red and blue headset indicating lamps alternately
and quickly flash.
3.打开手机 B 的蓝牙功能，搜索蓝牙找到‘BT250’序号名进行配对后完成连接\
3. Enable the Bluetooth function of the mobile phone B, search Bluetooth to find
‘BT250’sequence name to pair and then connect.
步骤三：第一部手机再次连接耳机