Best audio Performance--Over-ear-- HiFi Sports Bluetooth 4.0 Headphones Headset for Apple Iphone 5s/5c/5/4s/4/3; iPAD series/Ipod /iTouch/ Apple MAC and all tablet---Beyution@ black color--Retail package--Best gift New HiFi Bluetooth 4.0 Headphone Headphones headset for Cell Phone/Laptop/PC/Tablet HiFi - Best Audio Performance - Stereo - Wireless Bluetooth 33 feet distance - Over the head Built-in microphone 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. Passive noise reduction Up to 15dB blocks background sounds for an immersive listening experience. Noise Blackout with dual microphone technology promotes optimal call quality.