Bluetooth Headset With Built-In Hd Microphone And Cvc 6.0 Noise CancellationVery lightweight and portable, doesnt take to much space, very easy to store in your bag, great for travel.Sweat-proof, light weight and ergonomic design to enhance your comfort, comes with interchangeable earbuds and ear hooks for secure and personal fit when walking or exercisingflexible and light. Sound with HD speaker and enhanced BASS effect. It features hands-free calling, have voice command for picking up/rejecting calls and control for music Bluetooth: V4. 1, the signal strength is nearly twice times than the general BluetoothMagnetic Easily stow your Ear buds by wearing them around your neck. The buds will link together using the magnets and you can conveniently wear the buds like a necklace around your neck