Bluetooth specification: V4.0+EDR, Stereo
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
Anti-rays,Stylish appearance ,Aviator Sunglasses lightness weight,unique design ,personality development features .Top grade sunglasses formed the main body
Built in HD Camera,Support 1280*720p HD Digital VIDEO for Outdoor Sports Sunglasses;
Just press the power switch and it will begin to record color video with sound and store the video,Built in 8GB memory
Function: MP3+Video Audio Recorder+Photo making+Bluetooth;Sleek and elegant design suits for both men and women users.
ideal for the security personnel, law enforcement agencies, journalists to fulfill the undercover assignments, like evidence collection, hidden investigation and surveillance, etc.