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2023 Newest K21 Bluetooth Headset Wireless Headphones Dual Mic Noise Cancelling Earphones With Charging Box For All Smart Phones

$31.83$41.64

No Charging boxWith Charging boxWith Storage box
Clear

[Bluetooth 5.3] Adopting Bluetooth 5.3, the transmission of AIRERSI headset K21 is faster, more efficient and stable. You can move freely with up to a 59 ft (18 m) range. Headset features multipoint technology, enjoy the convenience of having up to two devices connected at once.

[CVC8.0 Dual Mic Noise Cancelling] AIRERSI K21 bluetooth headset features dual mic CVC8.0 and ENC noise cancelling technology, knock out 96% noise and deliver clear voice. Enjoy clear calls.

[Echo Cancelling & Clear Voice] AIRERSI Bluetooth headset K21 adopts Echo Cancelling and Consistent Voice Quality technology for clearer calls. Consistent Voice Quality technology conceals Packet-loss and bit error effectively to ensure consistent voice quality even in situations where bluetooth connectivity may be compromised. Hope you enjoy consistent clear call.

[Comfort-Test Design] Rigorously tested for stability and comfort on a wide range of ear shapes means you’ll feel just as comfortable during your first call as your last call. 3 pieces different sizes ear tips to meet your need. Only 0.04lbs / 20g,sleek and pocket-size, K21 headset is perfect for on-the-go communication.

[Long Battery Life] Equipped with a 150mAh battery, allows you to talk freely throughout the day. With up to 16 -18hours of continuous talking on a 1.5 hours single charge. Equipped with a 600mAh charging box, it can provide 4-5 charges for the headphones,K21 Bluetooth Headset works with iPhone, Androidand and all smart phones.

Weight 9 kg
Dimensions 4 cm
Brand Name

AIRERSI

Style

Ear Hook

Vocalism Principle

Hybrid technology

Origin

Mainland China

Active Noise-Cancellation

Yes

Material

Silica GEL

Control Button

Yes

Communication

WireLess

Volume Control

Yes

Category

Earphones & Headphones

Certification

CE

Number Of Drivers

2

Plug Type

none

Impedance Range

up to 32 Ω

Headphone Pads Material

Silicone

Sound Isolating

YES

Support Memory Card

No

Waterproof

Yes

Frequency Response Range

20 – 22000

Magnet Type

Neodymium

Voice assistant built-in

YES

Wireless Type

bluetooth

Line Length

0

Package List

Replaceable Pads Set

Height[mm]

17

Width[mm]

58

Codecs

Apt-X HD

Driver Diameter

10

Resistance

16

Depth[mm]

90

Sensitivity

120

Is wireless

Yes

Weight[g]

20

NFC Technology

no

Connectors

USB

Earcups Type

Semi-open

Bluetooth Version

5.3

Battery life up to[hours]

240

Total Harmonic Distortion

1

Charging Method

Charging case

Max Output

150

Support APP

Yes

Function

For Study

Battery Capacity[mAh]

150

Maximum wireless range[m]

10m-20m

With Microphone

Yes

Features

Google Assistant Support

Choice

yes

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Sold By: www.AliDady.com SKU: 3256805408492874 Categories: ,

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