Wireless Bluetooth 4.0 Headsets, Sunwee Music Sport Neckband Hands-free Headphones with Noise Cancelling, Microphone CSR 4.0, Enhanced Audio & Bass Response, Smart Vibration Alert , Sweat-proof Earphone for cellphones such as iPhone 6 6 plus 5 5s 4 4s, Nokia, HTC, Samsung Galaxy S6 S5 S4 S3, LG G3, Moto X, PC, iPad, PSP and so on & enabled Bluetooth (Black) Light weight, sweat-proof neckband design, crystal clear sound. Built-in microphone & vibrating call alert, easy for a call. Offers 8-10 Hours Talk Time, 6-10 Hours Play Time, Charging Time &lt; 2 Hours, 10 meters working range. 10 The Bluetooth Headset is capable of having two devices connected to the headset at the same time. ANC-Ambient Noise Cancelling for a crystal clear sound: ANC is new technology that reduces ambient noise in a noisy environment. It reduces more background noise than any other noise cancellation technology. Ultra Compatible: This headset can pair up with any Bluetooth-enabled device, including all Apple phones, Android phones, Samsung Galaxy tablets, HTC and so on. It's very easy to connect.