Bluetooth headphones V4.1 Wireless Fit for Sports Earbuds Sweatproof Gym Stereo Headset with Mic / APT-X for Smartphone;

Multi-Function Button
The CX03 control system is a very simple design. Just one button controls everything.

Freedom to Enjoy
Cut the cord and break away from wires with Bluetooth 4.1. You can enjoy excellent sound performance from this durable, lightweight and sweat-proof headset. Work out and stay fit with clear, natural sound that drives you forward.

Built-in Microphone
You can use Siri with a simple 'yes' or 'no' to answer or decline a phone call. The excellent sound quality allows you to hear calls clearly while avoiding cutting in and out.

Long Battery Life
The built-in 150mAh lithium-ion polymer battery provides up to 160hrs of stand-by and up to an amazing 8hrs of talk time and/or music.
Battery life remaining indicator will be visible on your paired Bluetooth devices.

Tips:
The single button controls power on/off and volume up/down. The same button controls the Bluetooth connection with your devices. Play and pause music by clicking the button one time.
A quick double click will dial your phone's last number. Answer a phone call or decline by saying, "Yes" or "No" into the Microphone.
Two clicks changes the volume level in 5 increments, from the lowest to the highest and back again to the lowest.
Next song track is controlled by one long press (1sec)

How to pair with it?
Enter paring mode:
-Connect Bluetooth headphones to your device used for connection.
-In the OFF state, press MFB Button for 3 seconds until the Blue LED light and Red LED quickly flash alternatively. (with "Connected" voice)?
-Open the Bluetooth function of your device.
-Search and choose "CX-03".

In the Box
• Bluetooth earphones
• USB Charging Cord
• 3 sets ear- plugs(S,M,L)
• User Guide