Andoer Bluetooth 4.0 + EDR Stereo Bluetooth Headset Wireless Neck-strap Outdoor Sport Sweat-proof Earphone with Microphone for iPhone 6 Plus 6 5S 5 Samsung S6 S5 S4 Uses high-performance Stereo Bluetooth 4.0 chip to ensure high-fidelity sound quality and stable performance. Built-in high-performance Microphone and Speaker, offering you HiFi sound effect(Perfect Sound Quality and clear communication effect.) Supports Voice Prompt. Also supports hands-free call, thoroughly set free you hands from answering the call during exercise. 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, and supports Low power indication, power status can be showed by Smartphone after connected via Bluetooth.