Bluetooth 4.1 features stable signal， lower consumption， security encryption， faster transmission and pair speed， it can easy and fast pairing with smartphones
Smart shoot function， no matter where you are， easy to take photos
Excellent design， feel so cool while doing sports
With magnet， magnetic adsorption， easy to carry
Ergonomic Design， wearing more comfortably
Intelligent noise isolation
Built-in microphone， high quality talking
Multifunctional operation， you can answer / end a call， support song switch， volume control
Details:
Bluetooth version: Bluetooth V4.1
Wireless Range: 10m
Talk Time: 5 - 8 hours
Music time: 4 - 5 hours
Standby time: 160 hours
Charge time: 2 hours
Frequency range: 20 - 20000Hz
Sensitivity ( SPL ): 92dB
Impedance: 16Ohm
Rated power: 10mW
Cord length: 75cm
Compatible with iPhone 6 / 6S Plus， iPhone 6 / 6S， Samsung Galaxy S6 Edge Plus， Samsung Note 5， HTC， etc.