Gadgetzan Bluetooth Headphones,Wireless Stereo Neckband Universal Earbuds Earphone Headsets for Sports Running Gym Exercise(Ultra Lightweight plus Magnet Attraction Design) (Black) Convenient Use --Wireless bluetooth neckband headphones with A2DP and bluetooth 4.0. Ideal for listening to music during sports activities or as a feature rich bluetooth headset to free up your hands when taking a call on your phone Neckband Design--Shaped to sit comfortable around the neck, with control buttons positioned on the arms and magnetic ends to easily retain the earbuds when not in use.The length of the cables can be adjusted by sliding a sleeve around the neckband to allow just enough slack to fully turn your head. Blutooth quality and Range--With the latest bluetooth 4.0 and A2DP the signal was strong and clear. roam away from your connected cellphone (without walls/doors) and still keep the connection. when you've got your mobile phone with you, you can leave within 10 meters,and signal out of range vibration security alert. Noise Cancellation Technology: Built-in microphone with CVC6.0 noise cancellation, let you get high quality music, hands-free phone conversation with clear voice even in noisy environment like inside a gym and running/cycling on the road Audio quality  Amazing sound quality of the audio,Enhanced stereo sound quality with A2DP profile support, experience high quality music and calls at affordable price Top-notch Warranty of Gadgetzan provides a 12-month worry-free.