## Common ground
All options refer to juke boxes—electronic devices that play audio or data from stored media.
## Options at a glance
**8471.70 – Optical disc data storage**
- **Defining trait:** Designed primarily for storing and retrieving digital data using optical discs (like CDs/DVDs), not for music playback.
- **Typical examples:** Automated library systems, server backup units, archival storage.
- **Best fit when:** The device is used in IT or data management, not for entertainment.
**8519.20 – Coin-operated audio juke boxes**
- **Defining trait:** Requires payment via coins, cards, or tokens to play music; intended for public use.
- **Typical examples:** Classic arcade-style music machines in bars, restaurants, or arcades.
- **Best fit when:** The device is publicly accessible and accepts physical payment methods.
**8519.89 – Other audio juke boxes**
- **Defining trait:** Plays audio but does not use coin/token payment; may be for private or non-commercial use.
- **Typical examples:** Home entertainment systems, digital music players with playlist storage.
- **Best fit when:** No payment mechanism is involved; used in homes, offices, or personal settings.
## Key differences
| Feature | 8471.70 (Data) | 8519.20 (Coin-operated) | 8519.89 (Other) |
|-----------------------|----------------------|--------------------------|--------------------------|
| Primary purpose | Data storage | Public music access | Personal audio playback |
| Payment required? | No | Yes | No |
| Typical environment | Server rooms, libraries | Bars, arcades | Homes, offices |
## How to choose
- Is the device used for storing data (e.g., files, backups)? → 8471.70
- Does it accept coins, cards, or tokens to play music? → 8519.20
- Is it used privately without payment? → 8519.89
## Overlaps & pitfalls
A juke box with both data storage and music playback could fit 8471.70 and 8519.89, but the **main function** determines the correct code. If it plays music for public use with payment, prioritize 8519.20. If unclear, base classification on the primary purpose—data or audio entertainment