V2 TWS Dynamic bluetooth 5.0 Wireless Stereo Earbuds Noise Cancelling Touch Contro... (COLOR: BLACK)

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Description
This?specification?applies?to?V2-TWS?bluetooth?headset,?product?model?V2.?

The?product?is?equipped?with?a?charging?box?with?300mAH.?The?Bluetrum?Technology?AB5376T,?5.0?dual-talk?high-version?low-power?core?bluetooth?chip?has?been?significantly?improved?compared?to?the?old?version?in?terms?of?compatibility,?stability,?and?functionality.

Specifications
1.?bluetooth?chip?and?bluetooth?version:?Zhongke?Lanxun?AB5376T?(Bluetrum?Technology?AB5376T),?V5.0+EDR
2.?bluetooth?protocol:?A2DPAVCTPAVDTPAVRCPHFP
3.?Working?frequency:?2.402GHz-2.480GHz
4.?Transmission?power:?CLASS2?3DB
5.?Temperature?range:?-20?to+70a??
6.?Speaker?size?and?impedance:?a??8mm,?32??
7.?Audio?signal?to?noise?ratio?S/N:?a???100dB
8.?Microphone?sensitivity:?-38Db±2Db
9.?Microphone?MIC:?4013?round?wheat
10.?Headphone?battery:?unilateral?50mAH,?battery?model?501015?polymer?lithium?battery
11.?Charging?box?battery:?300mAH,?battery?type?602030?plus?protection?plate?polymer?lithium?battery
12.?Headphone?charging?current/voltage:?60mA/DC?4.8-5.3V
13.?Headphone?charging?time:?about?1?hour?14.?Charging?box?charging?time:?about?2?hours
15.?Transmission?distance:?a???10?meters
16.?Talk?time:?about?5?hours
17.?Listening?time:?about?5?hours?(the?actual?usage?time?depends?on?the?song?type?and?volume?requirements,?80%?volume)
18.?Working?current:?12mA
19.?Leakage?current?after?shutdown:?2.7uA
20.?Standby?time:?about?70h?(theoretical?value.?After?the?headset?is?connected?to?the?mobile?phone,?the?standby?time?when?it?is?not?working)
21.?Charging?port:?Type-c
22.?Number?of?times?the?charging?box?charges?the?headset:?3?times

Features:
1.?Support?bluetooth?headset?to?play/pause?music
2.?Support?music?cut?song?(up?and?down?song)
3.?Support?answering/hanging?up/rejecting?incoming?calls/three-way?calling
4.?Voice?call?reminder
5.?bluetooth?headset?operation?voice?prompt?function
6.?IOS?system?power?display
7.?Voice?assistant
8.?Support?volume?increase?and?decrease
9.?Master-slave?switching?function
10.?Applicable?to?smartphones?with?bluetooth?function/notebooks,?computers,?tablet?computers?with?bluetooth?module,?etc.

Operation?exception?handling?method:
(1)?Due?to?improper?operation?or?shielding?the?earphone?signal?for?a?long?time,?there?is?no?sound?from?a?certain?earphone,?please?

try?to move?to?the?range?where?the?signal?can?be?received,?and?then?it?can?return?to?normal.

(2)?For?malfunctions?caused?by?unknown?reasons,?turn?off?the?headset?and?then?turn?it?on?again.
(3)?If?a?single?product?is?replaced?or?mishandled,?the?left?and?right?headphones?are?disconnected,?and?the?left?and?right?headphones?

are?re-paired.
(4)?If?there?is?no?sound?when?listening?to?songs?after?the?headset?is?connected?to?the?mobile?phone,?please?go?to?the?bluetooth?settings?

of?the?mobile?phone?and?find?the?name?of?the?connected?headset?(V2).?If?it?shows?that?it?is?connected,?click?the?headset?name?again.
(5)?If?the?two?headsets?are?paired?and?the?phone?is?connected,?the?headset?has?no?sound?after?answering?the?phone.?You?need?to?check?

the?audio?output?of?the?phone.?You?can?only?select?the?bluetooth?pairing?name?(V2)?corresponding?to?the?headset.?bluetooth?call.