Using the latest bluetooth chipest V4.1.

High sensitivity microphone to ensure high quality calling.

Noising cancelling chip integrated.

Innovative bullet design.

Wide application range such as car ,speakers,headphones and so on.

Basically

Power On:Press MFB for 3s.

Power Off:Press MFB for 3s.

Pairing Mode:Press MFB for 6s.(power off status)

Exit Pairing mode:Device will exit pairing after 150s if no actions.

Shut Down:Automatically shut down if no connection in 10minutes.

Answer Phone Calling:Press MFB 1 time to answer call.

Reject Phone Calling:Press the MFB for 1s to reject the call.

Hang up the phone:Press the MFB 1 time to end conversation.

Cancel dialing:Press MFB 1 time to cancel the dialing.

Redial Last phone:Press MFB 2 times to re-dial last phone number.

Pause music:Press the MFB button 1 time.

Play music:Press the MFB button 1 time.

Bluetooth Version: V4.1

Battery Capacity: 55mA.

Charging Voltage:DC 5V.

Charging Time:2 hours

Working Time:5 hours.

Connection range:10m

Headphone Jack: 3.5mm

1 x Bluetooth Bullet

1 x Micro-USB Charging Cable

1 x Instruction.

• With this wireless receiver adapter to listen music,phone calls and GPS when you are driving.
• Use it connect 3.5mm headphone jack to make your headset become wireless bluetooth headphone.
• Just one second to make your speakers become bluetooth speaker.
• Small and exquisite special deign to bring you new audio-visual feast.
• Work time: Music 5 hours/Talk 5 hours. Size:5X1.2CM.