Mini Earphone K2 TWS Twins True Bluetooth 4.1 Wireless Running

Handsfree Stereo Earbuds Headset with Mic Charge Box for Phone

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1.Binaural headphone , can be used in dual and single .

2.With 450mah Charging box (micro usb port)u0026nbsp;. you just need to put the earphone to the charge box and turn on the box , the earphone will charge .

3.We useu0026nbsp;u0026nbsp;AB1511 V4.1 Bluetooth chip tou0026nbsp;improve the quality of the earphone sound , some seller may use some cheap chip maked from taiwan , pls note that .

4.Works with 99% bluetoothu0026nbsp;device , it will display the poweru0026nbsp;situation when connect for IOS .

5.Build CVC 6.0u0026nbsp;Noise Cancellingu0026nbsp;technology to make sure the microphone clear .

Bluetooth Version: Bluetooth 4.1 + EDR

Supports HSP, HFP, A2DP, AVRCP.

Battery Capacity Display, supports for iPhone.

Frequency Response Range: 21Hz-18KHZ

Operation Range: Up to 10 meters

Microphone: Built-in high-sensitivity microphone (-38dB).

Impedance: 16Ω

Headset Battery: 50mAh Rechargeable Li-ion battery

Charge Box Battery: 450mAh Rechargeable Li-ion battery

Charge Time (for charge Box): About 2 hours

Charge Time (for earphone ): About u0026nbsp;40u0026nbsp;minutes .

Music Playing Time: About 3 hours (The Music Volume will affect the time)

Talk Time: About 4 hours

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2* Bluetooth earphones

1* Charging box

1* Micro USB Charging Cable(29cm)

1* User Manual

3 Pari * Earplugs (L + M + S)

Packge Size：2cm * 2cm * 12cm