Generic Neck-strap Style In-ear Wireless Outdoor Sport Stereo Bluetooth 4.0 + EDR Music Headphone Hands-free with Microphone for iPhone 6 Plus 6 5S LG Samsung S5 S4 HTC Tablet PC (purple&black) Uses the renowned stereo Bluetooth CSR4.0 chip to ensure high-fidelity sound quality, stable performance and excellent communication effect Built-in high-performance Microphone and Speaker; Noise Reduction echo cancellation;Enhanced Audio and Bass Response Support multipoint connections: Can simultaneously connect two mobile phone. And, it supports auto-reconnect. Support vibration reminding function (boot up, shutdown, vibrating call alert, etc);Supports hands-free call and smart voice prompt navigation Waterproof design (normal use the headset whether it is rainy day or sweat); Flexible neck-strap, lightweight and comfortable and easy to carry and custody; stylish shape design and has beautiful streamline appearance Compatible with almost all Bluetooth-enabled mobile devices such as, for iPhone6 6Plus 5S, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc.; Low power consumption, the standby time up to 360 hours. Be powered via a micro USB charging port (DC 5V)