Sport Style Bluetooth V4.0 Wireless Stereo Headphones Headset Built-in Microphone / Micro-SD Music Features: 1. Compatible with iOS, Android, and Windows 2. Built-in microphone, micro-SD music(Micro SD Card is not included) 3.Ultra-long operation and carefree calling from Bluetooth 4.0 4.With the robust high speed CPU of Bluetooth 4.0 operating system 5. Acoustic echo cancellation and noise reduction reduce ambient noise while speaking.
