Tai nghe bluetooth 4.0 mini không dây phong cách thể thao hiện đại hợp thời trang

Giới thiệu Tai nghe bluetooth 4.0 mini không dây phong cách thể thao hiện đại hợp thời trang

Specification:
-Drive: 40 mm
-Impedance: 32 OHM
-Bluetooth version: Bluetooth v4.0 + EDR
-Power Level: CLASS II
-Output Power: 30mW
-Bluetooth distance: 10 meters barrier
-Frequency response: 20-20000 Hz
-Operating voltage range: 3.0V-4.2V
-Microphone sensitivity: -42dB
-with A2DP / AVRCP high-quality stereo audio transmission and remote control protocol
-Powerful noise noise cancellation circuit (Active Noise Reduction)
-Wired and Bluetooth automatically switch to support audio input
-Charging time is about 1 hour (power indicator Charging: blue light lights, fully charged: blue light goes out)
-Dimensions: Diameter length 20MM. Width 15MM. 18mm high
-Weight about 4g
-Talk time About 4 hours
-Music for about 3 hours
-Charging Power: DC5V Power Interface [the hole] (computer USB port, mobile phone charger, car charger)
-Compatible: Compatible with Android, Apple, Microsoft, Symbian 99% of with Bluetooth cell phones(IOS cell phone has power display)

How to use:

-Long time press earphone button more than 5 seconds.

-You will see red and blue light flashing alternately.

-Then connect your Bluetooth, and use earphone.

Package Contents:
1 x Bluetooth Earphone
1 x USB cable

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