A4Tech FH200i Headphone MI WATCH STRAPS : 3 Receiver: Nano USB

: 3 Receiver: Nano USB Receiver Power Source: 1AA Alkaline Battery Net Weight:71 g (w/ battery) System Requirements: Windows XP / Vista / 7 / 8 / 8

GUARANTEED:

Water capacity: 210 ml

PU leather

HU-8 Headset Speaker Unit: 40 mm Frequency Response: 20 Hz - 20 KHz Sensitivity: 100 db Impedance: 32 ohm Microphone Frequency Response: 100 Hz -10 KHz Sensitivity : - 42 dB Cable Cable Length: 200 cm Port: USB Windows 7 / 8 / 8

A4Tech FH200i Headphone MI WATCH STRAPS : 3 Receiver: Nano USBSPECIFICATIONS: Speaker Unit: 50 mm Frequency Response: 20 Hz 20 KHz Sensitivity: 100 dB Impedance: 16 ohm Microphone Frequency Response: 100 Hz 10 KHz Sensitivity: 44 dB Cable Material: Tangle Free Braided Cable Cable Length: 180 cm PC Extension Adaptor: 15 cm Port: 3. 5 mm