Description:Brand Name: gblueModel: K23IBluetooth Version: BT V4.1 + EDRChip: ISSCBluetooth Arrange: about 15 metersStandby Time: ~100 hoursTalking Time: ~6.5 hoursCharging Time: ~2 hoursConnect Support: Can connect with two mobile phonesColor: BlackWeight: 6.85gSize: Approx. 55 x 14 x 8mm
Feature:1. Selected imported ISSC chip to make the signal more stable.2. With bluetooth 4.1 technology， longer connecting distance supported and longer time for using.3. 2HFP and 2A2DP dual audio channel， more fluent for listening to music.4. Can become a remote shutter， easily control selfie photo taking.5. DSP denoised technology， also reducing the degree of distortion， brings a clear sound.6. Highly stuitable for all kinds of cellphone that with bluetooth function， supports power display on IOS system.
How to use it?Turn on: When it is off state， press the main button(in the front) for about 8 seconds， the LED indicator will shine to blue then red. After red light shines， search the device in your cellphone and pair with it.Turn off: Press the main button for a while until the red light shines once and out.Answer the phone call: Under the connecting state， press the main button for once.Hang up the phone call: Under the calling state， press the main button for once.Re-dial: Press the main button for twice， it will auto re-dial the last number that you call out.Siri Voice: Press the main button for about 2 seconds until you heard !#!amp!*!quot;beep!#!amp!*!quot;， it will enter into the Siri Voice in your phone.Cut the songs: Press !#!amp!*!quot;+!#!amp!*!quot; is for the pre; press !#!amp!*!quot;-!#!amp!*!quot; is for the next.Volumn control: Long press !#!amp!*!quot;+!#!amp!*!quot; or !#!amp!*!quot;-!#!amp!*!quot;.Voice language Change: While turning on the headphone， press !#!amp!*!quot;+!#!amp!*!quot; and !#!amp!*!quot;-!#!amp!*!quot; at the same time， there is four languages for changing.LED IndicatorWhile charging: the red light on all the timeAfter fully charging: the blue light on all the timeNo power: the red light keeps shining， and it will have voice notice
Package Included:1 x gblue K23I bluetooth headphone