F-V3 Wireless Bluetooth Stereo Headset Bluetooth 4.0 In-ear Earphone with Mic Retracted Headphone with Clip Hands-free for iPhone SE 6S Plus Samsung Galaxy HTC Laptop Bluetooth-enable Devices Stable Bluetooth 4.0 chip brings you stable signal and fast transmission. At the same time, it can save your phone more power. It s perfectly compatible with 99% Bluetooth-enabled devices, for example, for iPhone 6s 6, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc. 3D surround sound effect gives you the feeling of being in the scene. Built-in high-performance microphone and speaker, it offers perfect sound quality and clear communication no matter when you are listen to music or make a call. Dual Mic Noise Cancellation design makes sure high definition stereo and surround sound quality sound quality. Immerse yourself in the amazing music world. It can connect two smarts phones at the same time so that you cannot miss any calls. And it also supports hands-free call and number reporting. With built-in rechargeable polymer 80MA battery, it provides about 5 hours of continuous talking time,5 hours of music time and up to 120 hours of standby time.