ODrive diameter: Ø 40 mm
RMS: 300 mW x 2
Frequency response: 20 Hz ~ 20 kHz
Impedance: 32
Sensitivity (S.P.L): 116 dB
Signal to noise ratio: >=85 dB
T.H.D: <=1%

Microphone
Mic Dimensions: Ø 6.0 mm × 2.7 mm
Sensitivity : -58 dB ± 2 dB
Impedance: 2.2 k

2.1 CH speakers mode
Drive diameter: Ø 50 mm (woofer) / Ø 40 mm (satellite)
RMS: 500 mW + 300 mW x 2
Frequency response: 40 Hz ~ 20 kHz
Impedance: 4 (woofer) / 32O (satellite)
Sensitivity (S.P.L): 85 dB
Signal to noise ratio: >=70 dB
T.H.D: <=3%

Lithium battery charger
Battery capacity: 3.7 V - 1000 mA
Charge time: 5 hours
Connection:3.5 mm Plug Cord length:1.8 m

Windows 2000 / XP / 2003 /Vista / Windows 7