Tonfarb A20 136GB Voice Recorder Black
136 GB voice recorder captures up to 9000 hours of audio with 68-hour battery life, voice activation, password protection and USB 2.0 file transfer
- Battery runtime68 h
- Storage media136 GB
- Host interfaceUSB2.0
- ConnectionHeadphones: 3.5 mm
- Battery pack10 g, 68 h, lithium polymer, 4.5 Wh, 1
- DetailsBrand: Tonfarb, Color: Black, Style: 136 GB, Format_0: wma,
- 136 GB total storage holds up to 9000 hours of audio
- 68-hour battery life powers extended recording sessions
- Voice-activated recording starts and stops automatically at set decibel levels
- One-click record and save works even from a powered-off state
- Password protection with over 9000 combinations secures personal recordings
136 GB Voice Recorder for Professionals
The Tonfarb A20 provides 136 GB of total storage, combining 8 GB of built-in memory with a supplied 128 GB TF card. It captures audio in MP3 or WAV formats at bit rates from 32 kbps up to 1536 kbps. Voice activation starts and stops recording automatically based on sound level, while password protection secures files with over 9000 combinations. This device suits students, journalists and anyone needing reliable portable dictation.
Battery Life and Silent Operation
A 1100 mAh lithium polymer battery delivers up to 68 hours of continuous MP3 recording at 32 kbps on a single charge. The unit has no moving parts and runs completely silently during capture. Power consumption is low enough to cover back-to-back meetings or full lecture days without recharging. Timed and segmented recording modes help manage power use across long sessions.
Compact Build with USB 2.0 and 3.5 mm Jack
The recorder measures 0.47 by 1.45 by 4 inches and weighs 100 grams, fitting easily in a pocket or bag. A side switch enables one click record and save even from a powered off state. Files transfer via a USB 2.0 connection to a computer. A 3.5 mm headphone jack allows immediate playback monitoring, and the 1.44 inch display shows status and menus clearly.
How it compares
Measured against everything we stock in Digital Audio & Voice Recorders, at today’s prices. Recalculated every night.
- Price $47.99
- Typical for this category: the median of 321 items is $49.99.
- Battery runtime 68 h
- Higher than about 68% of the 106 comparable items (median 40 h).
Specifications
| Product | |
|---|---|
| Brand name | Tonfarb |
| Model name | A20 |
| Storage | |
| Storage media | 136 GB |
| Ports & slots | |
| Host interface | USB2.0 |
| Connection | Headphones: 3.5 mm |
| Power | |
| Battery runtime | 68 h |
| Battery pack | 10 g, 68 h, lithium polymer, 4.5 Wh, 1 |
| Size & build | |
| Product dimensions | 0.47 L × 1.45 W × 4 H inches |
| Product weight | 100 g |
Questions about this item
How do I install the included 128 GB TF card so the recorder uses the full 136 GB?
Insert the supplied 128 GB TF card into the card slot until it clicks; the device then combines it with the 8 GB built-in memory for 136 GB total capacity.
What battery maintenance will this recorder need later?
The 1100 mAh lithium-polymer cell is sealed inside; when its 68-hour runtime drops noticeably, the whole unit must be sent for professional battery replacement.
What limit appears first during a long continuous recording session?
The 1100 mAh battery reaches its 68-hour continuous-recording ceiling before the 136 GB storage fills.
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