K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics

K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics
K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics
K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics
K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics
K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics
K21Bluetooth headphone wireless earphones headfone large capacity battery Earbud with Microphone in Bluetooth Earphones Headphones from Consumer Electronics

Product Specification

Brand Name: JOWAY

Control Button: Yes

Active Noise-Cancellation: Yes

Style: Ear Hook

Wireless Type: Bluetooth

Connectors: None

Communication: Wireless

Vocalism Principle: Dynamic

Volume Control: Yes

Frequency Response Range: 20-22000Hz

Function: For Mobile Phone

Function: Sport

Sensitivity: 120dB

Is wireless: Yes

Plug Type: USB

Codecs: SBC

Support Memory Card: No

With Microphone: Yes

Model Number: K21

Resistance: 16Ω

Waterproof: No

Line Length: None

Support APP: No

Function: For Routine Office Work, Supports music

Battery capacity: 280mAh

Color: White,Black,Gold

Standby time: 45day

Bluetooth version: 4.0

Function2: LED Power diplay

Support Apt-x: Yes

Description:

Product Parameters

Exterior

Model:K21

Color:White,Black,Gold

Charging port:Micro 5pin

Product weight:15g

parameter

Chipeset:CSR8635

Bluetooth Working range :10m

Battery:280mAh

Talking time:24H

Standby time:45Day

Music time:about 24H

Charging time :about 2H

Switch muisc:YES

Bluetooth version:4.0

Profile:HFP,HSP,A2DP,AVRCP

Frequency range :2.4GHZ

IOS Power display:YES

2 Device connect:YES

Noise Reduction:CVC 6.0

 -  (2) -  (4) -  (5) -  (6) -  (7) -  (8) -  (9) -  (10) -  (11) -  (12) -  (13)

 

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Commetns green-k.ru :
looks very good.. fast shipping.. good sound..let's see the battery lasting and give another feedback

Very good

good product , however it's not louder than others.