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Small black rectangular voice recorder with clip, micro USB port, 65 by 32 by 17 mm

AMOI

AMOI B800Li Voice Recorder 128GB 20 days

SKU CH-ESGR-MRRTS

Compact 128 GB recorder captures WAV audio for 20 days on a single charge with voice-activated recording

  • Battery runtime300 Hr
  • Audio recording formatWAV
  • Storage media16 MB
  • Recording time300 Hr
  • ConnectionMicro USB
  • Battery pack1,500 mAh

Color Capacity

  • One-click recording starts instantly with a single press
  • Voice activation pauses recording during silence to extend battery life
  • 20 days continuous recording on a single charge
  • 128 GB storage capacity holds up to 380 hours of audio
  • Compact 65 by 32 by 17 mm design weighs only 60 grams

AMOI B800Li 128GB Voice Recorder

The AMOI B800Li is a compact digital voice recorder designed for extended capture sessions. It targets users who need continuous, hands-free recording over long periods without frequent charging or file transfers. The device records in WAV format and includes voice-activated standby to conserve power during silence. Its lightweight build makes it suitable for pocket or clip mounting in daily use.

20-day continuous recording battery

The defining specification is the 20-day continuous recording capability from a single charge of the 1500 mAh lithium-polymer battery. This duration decides whether the unit suits multi-day deployments such as lectures, surveillance or field notes. The recorder also supports manual and voice-activated modes, with automatic low-power file saving before shutdown. A micro USB 2.0 connector handles charging and data transfer to a host computer.

128GB storage headroom and limits

Internal memory is listed as 16MB, but the unit accepts expansion cards up to 128GB, providing capacity for roughly 380 hours of recordings at typical bit-rates. At the maximum 384 Kbps WAV rate, storage fills faster, reducing total available time. Voice-activated recording extends practical runtime by pausing during silence. Once the card is full or the battery depletes after 300 hours, recording stops until data is offloaded or the device is recharged.

How it compares

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

Price $22.99
Cheaper than about 90% of the 321 comparable items (median $49.99).

Specifications

Product
Brand nameAmoi
Model nameB800Li
Storage
Storage media16 MB
Audio & video
Audio recording formatWAV
SpeakersNo
Ports & slots
ConnectionMicro USB
Power
Battery runtime300 Hr
Battery pack1,500 mAh
Size & build
Product dimensions65 × 32 × 17 mm
Product weight60g
In the box
In the box1 x Digital Voice Recorder
1 x USB Cable
More details
Recording time300 Hr

Other versions of this model

5 more in the same range

Questions about this item

What does the 20-day continuous recording claim mean for everyday use?

A full charge lets the recorder run non-stop for up to 20 days before the battery needs recharging.

What does the micro USB 2.0 interface limit for file transfers?

The micro USB 2.0 connection caps transfer speeds at the USB 2.0 maximum, so moving large WAV files takes longer than on faster ports.

Will the 65 by 32 by 17 mm body fit on a standard shirt pocket or lanyard clip?

At 65 by 32 by 17 mm and 60 g it slips easily into a shirt pocket and the built-in clip holds it securely on a lanyard.

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