High-fidelity Stereo Sound Quality built-in high sensitivity microphone and noise canceling technology(not active noise cancellation), ensure crystal high quality sound no mater you are calling or listening to music. Outstanding Battery Performance The portable designed headphone built with large capacity battery, which provides up to 16 hours of continuous music time and 300 hours of standby with a single charge. Advanced Bluetooth 4.1+CVC 6.0 atest Bluetooth 4.1chip provides fast, stable and low-power connection. These headphones are compatible with most smart phones, iPhone, Android devices and other Bluetooth Enabled Devices. Neckband Design Around-the-Neck wearing design with perfect Body-Contoured fit. Made of environmental ABS+PC material, light and soft to wear comfortably, perfect for long time wearing no matter in outdoor activities or in office. Foldable and Retractable Design Foldable design enables you to take it anywhere in your pocket or in your bag. Retractable Earbuds- a unique design for cable management, no more tangled wire obsession.

Product specifications