... 11b/g Wireless range: Up to 30 feet Power supply: Built-in rechargeable battery, AC power adapter (not included), via USB port ... Battery life (music): Up to 24 hours (wireless off) Battery (video): Up to 4 hours ( ... percent) Ports: Connector port, Headphone Jack/AV output FM radio: Built-in with RDS Languages: English, French, Spanish Large capacity mp3 player