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Small black rectangular recorder with rounded edges, magnetic back, built-in speaker and 3.5 mm headphone jack

MDalong Black-Z21-128 128GB Voice Recorder 3072kbps

SKU CH-YN53-BGCPE

A 128 GB voice recorder capturing 3072 kbps audio with DSP noise reduction, magnetic mounting, 72-hour continuous recording and a built-in speaker

  • Battery runtime3 years
  • Storage media128 GB
  • ConnectionHeadphones: 3.5 mm
  • Battery pack0.03 lb, 3 years, lithium ion, 0.44 Wh, 1
  • DetailsSize: 128 GB, Brand: MDalong, Color: Black, Style: Mini and
  • Product dimensions0.5 L × 0.95 W × 2.05 H inches
  • 128 GB stores up to 9860 hours of recordings
  • 3072 kbps capture quality with DSP noise reduction
  • Built-in speaker enables instant playback anywhere
  • Magnetic body attaches to metal surfaces for hands-free use
  • Up to 72 hours continuous recording on a single charge

128GB Voice Recorder for Students and Professionals

The MDalong Black-Z21-128 is a portable digital voice recorder designed for students, interpreters and workplace users. It captures audio at 3072kbps and features DSP noise reduction for clearer recordings. A built-in speaker allows immediate playback without headphones. The device also functions as a USB drive for file transfer.

128GB Storage and 72-Hour Battery Life

The unit provides 128GB of built-in memory, rated to hold up to 9860 hours of recordings. A lithium-ion battery delivers up to 72 hours of continuous recording on a charge. Standby time reaches 90 days. The recorder weighs 0.1 pounds and measures 0.5 by 0.95 by 2.05 inches.

Magnetic Mount Replaces Handheld Recorders

A magnetic back lets you attach the recorder to metal surfaces such as desks or vehicles for hands-free capture. This replaces handheld-only devices when you need fixed-position recording. The jump is worth it if you want one-touch recording, MP3 playback and USB 3.0 file access in a single compact unit.

How it compares

Measured against everything we stock in Digital Audio & Voice Recorders, at today’s prices. Recalculated every night.

Price $41.99
Cheaper than about 60% of the 321 comparable items (median $49.99).

Specifications

Product
Brand nameMDalong
Model nameBlack-Z21-128
Storage
Storage media128 GB
Ports & slots
ConnectionHeadphones: 3.5 mm
Power
Battery runtime3 years
Battery pack0.03 lb, 3 years, lithium ion, 0.44 Wh, 1
Size & build
Product dimensions0.5 L × 0.95 W × 2.05 H inches
Product weight0.1 lb (0.05 kg)

Questions about this item

Will the 3.5 mm headphone jack on the Black-Z21-128 work with my older analogue headphones?

Yes, the recorder has a standard 3.5 mm headphone connector that accepts any wired headphones with a matching plug.

How can I confirm the recorder is capturing audio at the full 3072 kbps after I set it up?

Make a short test recording, then play it back through the built-in speaker or headphones and check the file properties on a computer to verify the bit-rate.

What comes in the box with the Black-Z21-128 and do I need to buy a memory card or cable separately?

The package includes the 128 GB recorder with internal storage, a USB 3.0 cable for charging and file transfer, and earphones; no extra memory card is required.

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