This Beyution Bluetooth 4.0 headphones with 40mm speaker, and Noise reduction technology, Talk clearly, Best audio performance
With a 40mm speaker driver unit, enjoy bluetooth stereo and hands free.

Product Features

Bluetooth standards:
Bluetooth V4.0 , CSR solution,HSP,HFP,A2DP,AVRCP; Wirelessly connect to Apple iPhone 5s/5c/4s/4c/3/2 iPAD iPod, Android Smart phone; Samsung Galaxy S5/S4/S3 Note2/3; Galaxy Tablet; Nokia Toshiba Sony and BlackBerry Smart phone and devices; Apple Mac;PC; laptops ;Tablet and desktops.

Built-in microphone
Talking with phone clearly, and built Noise cancellation technology.

3.5mm audio jack
Not only Wireless, also can use as wired headphone

40mm drivers
Along with neodymium magnets produce deep, enhanced bass and full-range sound for dynamic audio.

Sound-isolating design
Built-in rechargeable lithium-polymer battery enables up to 7 hours of talk time or audio playback.

Carrying pouch
Protects the headphones during transport and storage.

20Hz - 20kHz frequency response
Offers faithful sound reproduction.
64 ohms impedance

Space-saving foldable headband
Allows simple transport and storage in the included hard travel case.
Included Micro USB charge cable

Passive noise reduction
Up to 15dB blocks background sounds for an immersive listening experience. Noise Cancellation technology, clear call quality.
119dB sensitivity (@ 1kHz)