1. Compatible with the Original iPad (iPad 1, 1st generation)
2. Rugged, Shock Protection (if dropped or thrown).
3. At least 8 hours of battery life (or more)
4. Clear sound in all ranges (bass, mids, highs), no distortion
5. Loud enough in a room full of 20 people
6. Ability to turn voice prompts off (or decrease the volume of it)
7. Preferably $100 or less (no more than $150)