NBY Portable Bluetooth Speaker Wireless Stereo Loudspeaker Sound System Outdoor Waterproof Speaker 10W Music Surround

Technical parameter:
Loundspeaker Output: 4Ω5W*2(4ohm,THD<1%)
Speaker: 45mm*2
Version:  V4.2
Frequency  Response Range: 90Hz-20KHz
Signal Noise Rate: >80dB
Battery Capacity /voltage: 1800mAh/3.7V
Battery Charge Time: around 2H
Working Time: 4-6hours
USB Power Input: 5V 2A
Speaker  Size: 172*76*76mm

Package Includes:
1 * NBY-18 Speaker
1 * Audio Cable
1 * Charging Cable
1 * User Manual

Connection method:
①Turn on the speaker
Turn on the speaker, the speaker will automatically enter into the wireless mode.
②Connect to mobile devices
Turn on wireless option in mobile device, select (model name ) in the mobile device, the speaker will make a beep sound after successful connection.
For future uses, just keep the mobile device's wireless turned on, it can automatically connect

other instructions 
Connect to new mobile device 
if the current device with the speaker is connected, you need to disconect the current device's wireless, the use the new mobile device to connect the speaker.

Instructions for use 
ON/ OFF Button 
Long press this button to turn on/off the speaker.
Prev/Volume-Button
When play or pause in wireless / TF card Modes, short press to previous music.
When in FM mode,short press to previous radio station.
In any mode, long press to reduce the volume, there will be prompt "Beep" sound at the minimum volume.

Next/Volume  + button
when play or pause in wireless /TF card mode ,short press to next music.
when in FM mode ,short press to next station.
in any mode,long press to increase the volume, there will be prompt "beep"sound at the maximum volume

play ,pause ,telephone,station, station search key
when in wireless, TF card music play back mode,short press to pause ,short press again to play.
when in FM mode, short press to auto search, short press again to stop searching to the radio station.
In wireless mode, when incoming calls,short press to answer the phone,short press again to hang up the phone,long press to reject phone.
In wireless mode. when no call,long press to call-back, back to the last outgonging telephone number.

Mode switch,LED spectrum lamp Button 
press this button on switch wireless mode, TF card, radio, 
LINE IN(in LINE-IN mode,wireless ,calls will be invalid).
when without TFcard,3.5mm audio input line,press this button only to switch between wireless and FM Mode.
short press to open ,switch,close the LED spectrum function.