Features:

• Automatic answer phone calls:  automatic answer phone calls， you will hear a cell phone ring， 3-5 seconds later will automatically receive telephone calls.
• terminate calls:  when you end a cell phone， according to the play button cell phone/short， will end the call.
• refused to call:   when the phone calls， you will hear the bell， according to mobile phone/play immediately key 1 seconds will refuse to call.
• To use a cell phone In your cell phone normal dial-up
• Dial the last  number:  according to the play button cell phone / 2 to 3 seconds， it will automatically dial the last number.  

Product Specifications:

• Applicable to speeds of 120km and above
• Automatically and safely receive phone calls
• Master Bluetooth BC5 program
• Advanced A2DP & EDR Bluetooth feature
• Stereo music/audio functions (phone / MP3 / GPS using A2DP transmission)
• Bluetooth version:3.0
• DSP noise-canceling feature
• Built-in lithium polymer battery at a capacity of 300mA
• Standby time: 240 hours
• More than 8 hours for continuous talk or listening to music
• Charging time approximately 3 hours
• National Level 5 waterproof standard

NOTE:Before using the device， please connect the master with the power to charge it.

• Insert the charging cable of the USB plug into the charger with the small port connecting with the headphones.
• When charging， the red indicator of the headset will light up; when charging is finished， the red indicator will go out