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.
NOTE 1: 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.
NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure
condition without restriction.
The power delivered by the charger must be
between min 2.5 Watts required by the radio
equipment, and max 10 Watts in order to achieve
the maximum charging speed.
2.5 - 10
W
（英语）
English
SP51
Wireless earphone
Wireless
SP51
If only one earphone has sound, please delete the connected "SP51" first,
turn off the wireless function of the phone, the earphone needs to be
paired once, enter the tws mode, and then return to the first step
1. Short press to play, pause, answer or hang up the call
2. Press and hold to reject the call
3. Double tap Call back
4. Three hits left/right earphone volume +/ volume -
5. Four taps on the left earphone activate Siri and touch it
once to exit Siri
6. Four clicks on the right earphone to change to
music/game mode
7. Press and hold left/right earphone for 1.5 seconds:
Previous/change song
Earbuds: Red light on
during charging, turns off
when fully charged.
Charging case: Red light
blinks during charging,
remains steady when fully
charged.
TWS connection: When the earbuds are taken out, they
will automatically power on and pair. (Power-on: red and
blue lights flash alternately at high speed; successful
TWS pairing: left/right earbud lights synchronously flash
red and blue slowly; lights turn off after connecting to
mobile device)
Press and hold for
about 5 seconds to turn
on/off.
The touch control
position of the
earphones is
within the white
circle.
