Power Mode: USB Charging
Operating Voltage: 5V
Major Material: ABS Resin
Color: Black
164ft/50m (in an open area)
Frequency Range: UHF2
Frequency Bandwidth: 20Hz-20kHz
Transmission delay: less than 4ms
USB: Micro USB
Charging Time: 2Hours
Usage Time: 4hours
Size: 4.33" x 1.69" x .43" (110mm x 43mm x 17mm)
Weight: 1.76 oz