New Bluetooth Headphoens -Bluetooth V4.0 Version -Wireless- Hi-fi Stereo- Built in Mic-phone with Retail Package (508-red) New HiFi Wireless Bluetooth V4.0 Headphone Headphones headset for Cell Phone/Laptop/PC/Tablet HiFi - Best Audio Performance - Stereo - Sports - Wireless Bluetooth V4.0 Version --33 feet distance - Over the head Built-in microphone and Noise cancellation technology, Allows clear Phone communication; Enables use as a headset. Music and phone controls ensure ease of use Built-in rechargeable lithium-polymer battery With Li-battery enables up to 5-6 hours of talk time or audio playback, Standby time up to 180 hours. Compatible with all smart phones, such as Iphone 6 6plus 5s 5c 5 4s and ipad series, Samsung S6 S5 S4 S3 S2 and Note 4 Note3 Note2 HTC, Nokia Toshiba ATT cell phones and all tablet