Bluetooth glasses

StandardBluetooth v2.0　Operation Range10

meters(33 feet)

Audio Code15 bits resolution,S/N>60DB

Frequency2.4GHZ-2.4835 GHZ ISM Band

Dimension(L)64 mm*(w)28.5 mm*(H) 11mm

ConnectionPoint-to-point

Sunglasses-FM(radio)

Frequency range 88MHZ-108MHZ

SINAD 56dB; THD <3%

Opration voltage 2.1-3.3V; Opration current <15MA

Can put in and out inner earphone also can ext.earphone in any time.

if you want change the sunglaes funcation

Easily to change Li battery (AG13), low energy to useing.the battery can continual min.15 hrs.