4：LED light
5：Timer Indicator Light
6：
３：
1：Power Key
２：
Sketch Map
Volume -
Volume +
Usb charging
User Manual
Indicator light description
Alternating red and blue: Bluetooth pairing status
blue slowly: connection is successful and waiting for
Red light is always on
：Charging
Blue light is always on：
Timer Indicator Light Instructions
One light is on：Set for 30 minutes
Two lights are on：Set for 60 minutes
Three lights are on：Set for 120 minutes
The light doesn't turn on at all：Turn off timer
Fully charged
Product parameters
＊ bluetoothname :S1
＊ Version :bluetooth5.4
＊
Weight :36g
＊ Battery capacity :250mAh
＊
Charging : about 2-3hours
＊ Playback : about 12H& 80% volume
＊ Distance : Bluetooth 10 meters
＊
Enter :5V=500mA
Operating instructions
Power key
１：Press and hold the power button for 3 seconds to
switch on
2：When playing music, short press to pause playback,
and then short press to start playing music
3：Double-click the power button to adjust the timer.，
Volume +
１：Short press the Volume + to increase the volume
(when the volume is at maximum, there will be a beeping
sound)
2：When playing music, press and hold the Volume +to
the next song
Volume –
1：Press the minus button briefly to decrease the volume
2：When playing music, press and hold the Volume –to
go to the previous song
Instructions
P
airing mode
If you get the headphones 1st time, please select
Bluetooth pairing mode and search“S1”. When LED
light is flicking blue slowly, the paring of Bluetooth is
successful
Change Bluetooth device paring
Delete current Bluetooth device paring and repeat the
step 1 until the new device is paring
Charging
Normal connection, the phone will display headphone
battery level, low battery alarm: built-in battery voltage
below Low power alarm occurs after 3.3V, with an alarm
every 2 minutes; 3.1V automatic shut down(No shut
down prompt sound), meter To charge, connect a 5V
charger to a USB charging cable.
FCC Warning
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1)This device may not cause harmful interference, and
(2)this device must accept any interference received, including interference
that may cause undesired operation.
Any Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the
equipment.
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
*RF warning for Portable device:
The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.
