NO
Bluetooth v5.3
Digital Display
JL
6983D
None
Wireless
bluetooth, Microphone, Waterproof, Noise Cancelling
In-ear
No
Yes
IPX-3
less than 30 ms
D021
Guangdong, China
TYPE-C
Mobile Phone, COMPUTER, Dj, Gaming, Sports, Travel
Yes
no light
No
Other
Yes
TWS Earphone Earbuds
5.3
Portable Media Player, Mobile Phone, Aviation, COMPUTE….
Customer Logo Acceptable
330mAh+40mAH*2
10mm
Color Box
6H
1-2 Hours
10M
color box
10.2X4.2X13.6
0.120 kg










|
BT version
|
JL 5.3
|
||||||
|
Working distance
|
10M
|
||||||
|
Impedance
|
32Ω
|
||||||
|
Model number
|
D021
|
||||||
|
Speaker
|
10mm
|
||||||
|
Working time
|
6H
|
||||||
|
Frequency responze
|
2.402 – 2.480GHZ
|
||||||
|
Battery capacity
|
40mAH*2+330mAH
|
||||||
|
Charging time
|
1~2H
|
||||||

-
-
Product usage introduction
-
1. Turn on your phone control button;
2. Press the ON/OFF button more;
than 4 seconds till both of the red and blue led bright.;
3. Wait you phone find the headphone name.;
4. Then please click it, your phone will connect it . Note Please make sure the headphone is enough power when you do the steps.If
not,please charge.





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