• Bluetooth stereo headset with wireless range up to 30 feet • Switch phone calls and listen to music automatically • Great for use with mobile phone, PC, NB or PDA • Talk up to eight hours non-stop • A2DP, AVRCP controls adjust volume and track wirelessly • Foldable design and carry bag ideal ...

• Headphones Frequency Response: 20Hz - 20kHz Impedance: 32 ohms Sensitivity: 38 dB/mW • Microphone Frequency Response: 100Hz - 16kHz Impedance: 2200 ohms Sensitivity: -59 dBV/µbar, -44 dBPa/V ...

• Headphones Frequency Response: 20Hz - 20kHz Impedance: 32 ohms Sensitivity: 38 dB/mW 2.4 m cable, USB type A • Microphone Frequency Response: 100Hz - 16kHz Impedance: 2200 ohms Sensitivity: -59 dBV/µbar, -44 dBPa/V ...

• Amplitude-frequency response Headset: 50 Hz to 15 kHz Microphone: 100 Hz to 10 kHz Input Sensitivity: -64 dBV/ μBar -44 dBV / Pa + / -3 dB • Wire length 198 cm • Connection USB compatible (1.1 and ...

• Headphone Driver: 30 mm diameter; neodymium magnet Frequency response: 40 Hz–18 kHz (-10 dB) Impedance: 32 ohm nominal Sensitivity: 94 dB SPL Ref: 1 mW (-18.2 dBV = 1m W), 1 kHz • Microphone Pickup pattern: Unidirectional (cardioid) Frequency response: 100 Hz–10 kHz Sensitivity: -44 ...

• Headphones Earpiece: Single Frequency Response: 20Hz - 20kHz Impedance: 32 ohms Sensitivity: 38 dB/mW • Microphone Frequency Response: 100Hz - 16kHz Impedance: 2200 ohms Sensitivity: -59 dBV/µbar, -44 dBPa/V ...