Wireless In- Ear 4.1 Bluetooth Earbuds, Sport Running V4.1 Bluetooth Earphone Earbuds Headset for Smart Phones Tablet (Green) Top advanced Bluetooth V4.1 technology Headphone for Walking and Sport Skip Tracks, Control Volume, Take Calls , in-line control With High Fidelity Sound Transmit Technology, Echo Cancellation and Noise Reduction Technology Design that fits comfortably and stays for Walking and Sports Running Compatible with all smart cell phones and tablets, such as Iphone 6 /5/5s/5c/4s/3, Samsung S6/S5/S4/S3/S2/Note4/Note3/Note2 HTC, Nokia ATT cell phones