Jabra BIZ 1500 Duo QD Bi-Ear Headset Black

Here are the quick specifications for the Jabra BIZ 1500 Duo USB (model SKU 1559-0159)—based on official Jabra documentation and trusted technical sources:

Audio & Performance

• Hearing Protection: Featuring PeakStop™ technology to block harmful audio spikes and protect hearing (up to ~118 dBA RMS)
• Speaker:
  • Size: 2 × Ø 32 × 7.6 mm
  • Max Input Power: 30 mW
  • Sensitivity: ~102 dB ±3 dB at 1 mW / 1 kHz
  • Frequency Range: 20 Hz – 6.8 kHz (wideband/HD voice)
• Microphone:
  • Type: Unidirectional, noise-cancelling
  • Sensitivity: –35 to –31 dB @ 1 kHz, Pin = 1 Pa, 0 dB = 1 V/Pa
  • Frequency Range: 1 – 5 kHz
  • Power Consumption (mic): working mode ~520 µA & 1 MHz < FCLK < 3.25 MHz; standby <5 µA @ FCLK < 300 Hz or power off .

Design, Fit & Comfort

• Form Factor: Over-the-head, headband with duo-ear design
• Boom Arm: Flexible “Spin Boom” design, rotates up to 270° without breaking
• Ear Cushions: Soft foam (leatherette available separately) to keep ears cool and comfortable for prolonged use

Connectivity & Controls

• Connection: Wired USB-A with an in-line control unit offering volume up/down and mute functions
• Compatibility: Plug-and-play with PCs (softphones), supported via Jabra Direct and mass-deployable through Jabra Xpress

Physical & General Specs

• Cord Length: Approx. 230 cm (~7.5 ft)
• Weight:
  • Without cord: ~74 g (≈ 2.6 oz)
  • With cord: ~116 g (≈ 4.1 oz)
• Materials: Made with durable PC/ABS and Luran plastics; foam ear cushions
• Certifications: CE, FCC, UL, cUL, EAC, RCM, KCC, RoHS, REACH
• Warranty: 2-year limited warranty (Europe, North America, APAC)

Summary Table