*Intelligent voice navigation *Support 3.5 mm stereo audio input *Built-in microphone support digital signal processing echo cancellation technology *V4.1 + EDR wireless Bluetooth stereo headphones *Broad suitable for phones and tablets *Dual-use stereo music headset *High definition microphone with remote music control *Adjustable headband for everybody to use
Bluetooth light flash slowly —— Bluetooth: connect successfully,headphone can be used. Blue and red light flash alternately —— Headphone is turn on, waiting for connecting by bluetooth. Red light flashes with alarm sound —— Power is less than 5%, talking time is no more than 10 minutes. Red light and prompt charge —— Charging mode. Stable blue light —— Charge complete.