Wintop Electronics Co., Ltd
SPECIFICATION
Model No.： BT-535
Description： In-ear Bluetooth Earphone
Chipset： WT200 V4.0
Date: 2017.5.20
Product Image
Wintop
Electronics
Co.,
Ltd
Product Size
Product Materials
PC+ABS earbuds
TPE cable
PC+ABS controller
Charging port
Silicone ear cushion
Silicone “+” button
Silicone MFB button
Silicone “-” button
Wintop
Electronics
Co.,
Ltd
Product Function
Parameter min
Li-battery Spec. 380926
Capacity 60 mAh
Working Voltage 3.3 3.7 4.2 Volt
Working current（playing music
Working current（on talking
Standby current 1 3 mA
Charging current 60 mA
Charging time 1.2 1.5 2 H
Turn-off current 7 uA
2.Frequency Spec.
Frequency response 20 20k Hz
Max output power 5 mW
SNR：1K@0dB With IEC -88 dB
Distortion rate: 1K@0dB 0.8 %
Bluetooth receiver sensitivity -88 dBm
Working distance 10 M/360
3.MIC Spec.
）
）
type
20 mA
24 mA
max Unit remarks
度
Working voltage 1.8 V
Testing voltage 4.5 V
Sensitivity -39 -42 -45 dB
Sensitivity（At 1khz/0.178v）
Frequency range 20 20K Hz
Distortion rate:5% in shole range at
1kHz
Impedance at 1kHz 16±15% ohm
Out put power 3 mw
87 90 93 dB
≤5%
Wintop
Electronics
Co.,
Ltd
Model No.: BT-535
BT-535 Function/Manual
Keys
MFB
key
Function
Descrip.
On/pairing
off/connect
Call
function
Method LED flash tips
Long press MFB about 2.5 sec to turn on device when it’s in off
Then wait 12 secs it will go into pairing mode automatically
Or long press MFB button for around 8 secs, device will go into
paring mode
Long press MFB about 2.5 sec to turn off device when it’s in
standby mode
Make sure device and phone are within 1 meter for repairing it
first time
Turn on phone’s bluetooth function to select device and choose
pairing name.
Click repairing password“0000” if need
Repeat above steps if failed repairing;
Short press MFB once to answer the call
Short press MFB once to end the call when the call is on
Long press MFB for 1 sec to reject a call
continuouslyshort press MFB twice to remake the last call you’ve
called during standby mode or music is on
Voice
prompt
Blue LED flash 3 times
(Blue&red LED will flash
alternately)
Red LED flash 3 times Power off
Blue LED flashes
Power on
(paring)
Sort
connected
+/-
Play/pause
music
Voice
up/down
Previous/
next song
Play music by short press MFB once when the music is paused
Pause music by short press MFB once when the music is playing
short press “+” to make louder music
short press “-” to make lower music
long press “+” to next song
long press “-” to previous song
Wintop Electronics Co., Ltd
FCC STATEMENT :
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.
Warning: 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.
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