Sunglasses with High-Tach Properties?  Yes Please!! These will connect wirelessly via bluetooth to your phone.  Play music, answer calls, take videos and pictures.  
Great for "dash cam" videos. See photos above for detailed information. 
Black ABS plastic- Re-chargable.
 
 
SPECIFICATIONS
 
Battery Properties: Rechargeable Battery
 
Connectivity Technology: USB
Control Method: Button Control
Item ID: VM1178203
Major Material: ABS
Mounting Type: Tabletop
Operating Voltage: ≤36V
Origin: Guangdong,China
Power Mode: Battery Powered/USB Dual Use
Product Charging Port: Charging From Other Ports
Rechargeable Battery: Lithium Battery-Polymer
Recommended Usage: For smartphones or tablets
Special Features: USB Port
Wireless Communication Technology: Infrared
Wireless Property: other wireless functions