厂家直销，高品质便携式蓝牙音箱，移动电源
BT-153蓝牙音响说明书
一、功能：
TF 卡：支持MP3/WAV/WMA/SBC格式；
LINE IN：Ф3.5耳机插孔输入音频信号；
蓝 牙：V3.0版本/符合Bluetooth2.1+EDR规范/蓝牙立体声传输A2DP/蓝牙通话/来电报号/满足
Class2andClass3发射功率要求，最大提供+7dbm的发射功率/灵敏度-82dbm/信噪比70db/
分离度50db；
充电管理：USB 5V智能充电（充电状态检测），有效地保护电池，延长电池寿命；
PC 下 载：支持USB（slave）功能，通过USB与电脑连接，可读取TF卡；
按 键：，MODE P/P PREV/V+ NEXT/V-；
功 率：喇叭4R/3W
指 示 灯：充电指示（红）/欠压指示（红）/工作指示（红/蓝双色）；
供 电：3.3V-4.2V锂电池；
工作温度：-20～+50℃；
移动电源功能: 可输出2A左右的电流对外接设备以充电.
二、蓝牙操作：
1、打开电源开关，亮红色工作指示灯，并伴有语音提示进入蓝牙（在插入LINE时，开机进入LINE模式）；蓝牙搜索配对时，红/蓝指示灯交替闪烁，配对无须密码，长按MODE（模式）键可以断开当前蓝牙连接的设备；连接成功后，播放音乐时蓝色指示灯闪烁；
2、短按MODE键可切换到LINE、TF卡和FM模式，切换时伴有语音提示；切换成功播放时，红色指示灯闪烁，短按P/P（播放/暂停）键暂停时，红色指示灯常亮（指示灯工作状态可自定义）。
3、蓝牙通话时，短按P/P键可以实现接听/挂断功能；通话结束后长按P/P键，可以回拨最后一次通话号码。
4、当电池电压低于3.4V时，欠压红色指示灯点亮，红色工作指示灯快闪，提示产品欠压需要充电；充电时，红色充电指示灯点亮；欠压和充电指示灯会随着电池慢慢充满而熄灭。
三.移动电源操作:
1.按一下机器上面按键,则蓝色LED灯会亮,共有四个LED灯,如亮3个LED灯,表示电压还有75%左右.同时如外接需要充电设备,则开始对外接设备充电.
2.如果对电池充电,电池没电的情况下,LED灯会依次从下往上闪动.
BT-153 Bluetooth Speaker instruction
functions
TF card:support MP3/WAV/WMA/SBC format
line in :Supports external audio input 3.5 mm
Bluetooth:V3.0 versions Bluetooth2.1+EDR standard /The bluetooth A2DP stereo transmission/ handsfree bluetooth profile/voice tone/Meet Class2andClass3 transmitted power requirements, the maximum + 7 DBM transmission power/Sensitivity:-82dbm /The signal-to-noise ratio :70 db/resolution:50db
Charge management:USB 5V smart charging(Charging status detection),Effectively protect the battery,Extending Battery Life
PC download: support USB (slave)function,connect computer through the USB,can read TF card
Push-button:MODE P/P PREV/V+ NEXT/V-
Power:loudspeaker 4R/3W
Indicator light:charging indication (red) / undervoltage indication
Power supply:3.3V-4.2V lithium battery
Operating temperature: -20～+50℃
Power bank function: 2A output for external device to charge
Bluetooth operation
1.Turn on the power switch, bright red indicator light work,With voice prompt to enter the bluetooth(insert into the LINE, boot into the LINE mode),Search the bluetooth pairing, red/blue light is flashing, matching without password, long press MODE (MODE) key can disconnect the bluetooth device; After the connection is successful, play music when the blue lights flashing
2.Short press MODE key switch to LINE and FM MODE TF card, switch with voice prompt; Play to switch a success, the red light flashing, short press P/P (play/pause) suspension, the red light long on (lamp working status can be customized)
3.Bluetooth hand-free calls, short press P/P can be implemented on/off the function; the long press P/P after Calls , can back to dial the phone number for the last time
4.When the battery voltage is lower than 3.4 V, under-voltage red indicator light, red light flash, prompt products under voltage need to recharge; When charging, the red charge indicator light; Under-voltage and charge indicator light will die out as batteries slowly filled.
Power bank operation:
1.Click on the buttons on, blue LED lit up, with a total of four LED lights, light 3 LED
lights,saying 75% battery left . At the same time, such as external need charging equipment,
Began to external devices.
2.when charging the batteries, LED light flashing from down to up in turn
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