Features:
Sensitive touch key
Smart voice control
Interchangeable headset
Detachable Polarized Lens
Enjoy stereo music
Hands-free phone-call
Cool&Convenience

Specification:
Bluetooth specification: V4.0+EDR， Stereo Music+CVC Noise Deduction
Frequence: 2.4G Hz
Bluetooth Chip: CSR8635
Bluetooth Mode:Headset， Handfree A2DP
Transmission Class: Lossless Transmission
Transmission Distance: 10-15 m
Phone-call Time:3-4 hrs
Music Time: 3-4 Hrs
Charging Time: 1 hr
Charging Voltage: 5V

Package including:
1x bluetooth glasses
1x carrying bag
1x Mono earphone
1x Binaural headset
1x Charging Cable
1x Cleaning cloth
1x Text card
1x Use's manual