The BBK F2 digital repeater is a portable audio device that supports both tape and MP3 playback, recording, and a range of study functions such as repeat, compare, and speed control. The manual covers power options (AC adapter or 4×AAA batteries), safety charging, and how to connect the unit to a computer via USB for file transfer.
Key sections describe the user interface, mode selection, recording and playback procedures, battery management, and a troubleshooting guide for common issues like no sound, distorted playback, or file errors. Technical specifications and warranty information are also provided. This manual is written in Chinese.
| Flash chip capacity | 2.56J# |
|---|---|
| Operating voltage | DC 6V |
| Power consumption | 450 mA |
| Headphone impedance | 32 Ω |
| Headphone rated output power | 2 mW × 2 |
| Speaker impedance | 8 Ω |
| Speaker rated output power | 0.25 W |
| Repetition time | 480 (≥456) |
| Tape speed | 4.76 cm/s |
| Audio track format | Dual‑track mono |
Move the Tape/MP3 switch to the desired position; “Tape” selects tape mode and “MP3” selects MP3 mode.