Material: Metal Color: Black Net Weight: 100g/0.045pound Dimension: 65 x 62 x 22mm/ 2.56×2.44×0.87 inch Cable length: 100cm/39.37inch

Operating range: 10 meters (MAX), without signal disturbance and no direction limit.
Transmit power: +5db Max
Operation voltage: 3.3V
Operation current:<50mA
Sleep current:<1mA
Weight(grams): 110g
Size: 146*97*19mm(L*W*H)m
Power by AAA battery (battery not included)
System Requirements:
Windows 2000 / Windows XP / Windows 7 / Windows Vista / Windows 8 / Windows 10
Linux(Debian-3.1,Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)
Android 4.0 and above