Specifications:
<br />Model: TWS-K2
<br />Product Type: True Wireless (TWS) Bluetooth Stereo Headphone.
<br />Bluetooth Version: Bluetooth 4.1 (CSR)+ EDR; Class 2.
<br />Supports HSP, HFP, A2DP, AVRCP protocol.
<br />Battery Capacity Display, supports for iPhone.
<br />Frequency Response Range: 21Hz-18KHZ
<br />Operation Range: Up to 10 meters
<br />Microphone: Built-in high-sensitivity microphone (-38dB).
<br />Impedance: 16 
<br />Sensitivity: 95dB
<br />Degree of distortion:  1%
<br />SNR  95
<br />Headset Battery: 60mAh Rechargeable Li-ion battery
<br />Power Bank Box Battery: 1200mAh Rechargeable Li-ion battery
<br />Charge Time (for Power Bank Box): About 2.0 hours
<br />Music Playing Time: About 3 hours (The Music Volume will affect the time)
<br />Talk Time: About 4 hours
<br />Standby Time: 120 hours
<br />Charge Time:1 ~ 2 hours 
<br />
<br />Package content:
<br />1 x Wireless Bluetooth Headset   
<br />1 x USB Cable
<br />3 x Earbud
<br />
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<br />ways:
<br />1.Press the both earbuds button for about 5 seconds until the red and blue light flash alternately,Just double -click on anyone to get the pairing,the earbud will be automatically matched for 3 seconds,(the double clicked one is on red and blue light flash alternately,the blue light flash a time within 5 seconds for other one)
<br />2.to click pairing name on the phone ,the voice prompts the success connection after about 5 seconds,the both earbuds flash on time for 5 seconds,
<br />3.Once connect successfully,The both earbuds can work in normal,Thank you very much!<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-8-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-9-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-12-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-13-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-14-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-15-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-16-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-17-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-18-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-19-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-20-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58d6401f32e3cf54e0d49f63-21-large.jpg></b></b></p>