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BT228S
Bluetooth speaker
user manual
Package content
⚫ speaker
⚫ User manual x1
⚫ Type-C cable (For Charging)
⚫ Aux-in cable
Products Pictures.
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Spec
Bluetooth version: BT4.2
RMS Output power: 2*10W
speaker unit：Diameter 57 mm outside mangnet ,4ohm, 15W*2
SNR: ≥70DB
Working time: 2-8 hours
Charging voltage/current : TYPE C DC/2000MA
Support USB Flash Drive, Music format: MP3,WAV,WMA,APE,FLAG
Transmission: 10M (Vary from environment and devices)
Battery : 4000mAh
Charging time: 2-3hours (5V-2A)
THD: ≤10%
Product size:251*95*96mm
Bluetooth Connection:
Turn the speaker on by pressing the power button for several seconds, then the blue led
flashes quickly. The speaker now has entered the Bluetooth pairing mode.
Connect to mobile phones/tablet PCs/computers:
1. Activate your phone's Bluetooth
2. Go to your phone's Bluetooth settings , scan for new Bluetooth devices
3. Upon device found (Promate-Escalade ), click the device name and pair with it
4. If your phone ask for pairing code , please enter ”0000” and confirm it.
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5. After successful pairing, your speaker will sound a prompt tone and the LED
lights blue.
Note: Pairing time is varied with different mobile phones. It only need to pair at the first time and
it will auto connect the devices which already paired before( Speaker only can remember the last
8 paired devices name)
Items
Instructions
LED status
Power On
Long press " " for 2-3 seconds
Blue LED on
Power Off
Long press " " for 2-3 seconds
under Power on situation
LED Off
Pairing
Auto enter pairing mode
Blue LED Flash
Successful pairing
Select Promate Escalade on your
phone
Blue LED liquid
Disconnect
Press “+ and “-“ together”
Blue LED Flash
Receive a call
Short press " " when incoming
call（Under TWS, only the Main device
have voice）
/
Reject the call
long press " " when incoming
call(Under TWS, only the Main
device have voice)
/
Hang up the call
Short press " " when are you on
call（Under TWS, only the Main device
have voice）
/
Call back
Short press " "
Blue LED liquid
Aux in Mode
Insert the aux cable into the aux in
jack
Green LED liquid
USB reader mode
Insert USB disk to the USB Jack
Green LED liquid
TWS Pairing
Double press the
Blue and green Alternately
Flash
TWS Disconnect
/
Main device blue LED slow
flash,auxiliary device blue
LED liquid
Volume Up
Short press +
/
Volume down
Short press -
/
Next track
Long press +
/
Previous Track
Long Press -
/
Play/Pause/Muse
Short press " "(Mute in Aux
Mode)
/
Low battery
Battery voltage lower than 6.5V(10%)
/
Low battery shut down
Battery voltage lower than 6.2V(3%)
/
Charging
Insert 5V Type USB C Cable
RED LED Liquid
Charging Finished
/
Red LED OFF
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Reset
Insert the toothpick or other
insulator insert aux hole
LED OFF
Note:The volume and mode have memory function. When Power on, the speaker will continue
the volume and mode of the last power off.
TWS
1. Turn on two devices, Blue LED flash.
2. Select one of the devices and double press the Power button , and then they will pair each
other. (The main device: Blue and Green LED Alternately flash )
3. After successfully pairing, Main device blue LED slow flash, auxiliary device blue LED liquid .
4. In your phone, search BT228S and connect, after successfully connecting, the two devices
can play music together.
5. Disconnect TWS, press + - buttons together, the Blue LED fast flash (every 2 seconds) means it
has been disconnected.
Noted: Kindly noted TWS only working in Bluetooth mode, One the TWS mode, only main
speaker can receive the call. when the you double press one speaker go into TWS mode(but did
not connect with another) you can not connect the speaker on phone, just press + - buttons
together and go out of the TWS Mode.
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
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
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.
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