Dell Battery 7490

“TECHNICAL SPECIFICATIONS

Input Impedance: 32 Ohms

Sensitivity (headphone): 94dBV/Pa +/- 3 dB

Sensitivity (microphone): -17 dBV/Pa +/- 4 dB

Frequency response (Headset): 20 Hz – 20 kHz

Frequency response (Microphone): 100 Hz -10 kHz

Cable length: 7.64 ft (2.33m )

Connections: USB-A compatible (1.1, 2.0, 3.0)

SYSTEM REQUIREMENTS

Works with Common calling applications across almost all platforms and operating systems.

Windows® or macOS®

Chrome OS™

USB port (Type A port or adapter)

DIMENSIONS

Height x Width x Depth:

7.87 in (200 mm) x 9.65 in (245 mm) x 2.83 in (72 mm)

Weight: 6.9 oz (0.197 Kg)”