Sunglass mp3 Description 1. Polarized lens & TR 90 frame 2. Compatible format: MP3, WMA, ADPCM 3. Play function: Play in order, pause, resume playing etc. 4. Delete function: Delete current or all songs or recordings 5. Continuous playing time: 5 hours 6. 230mAh/3. 7V macromolecule polymer li-ion recharging battery 7. Automatically detected battery voltage and capacity 8. Battery Consumption Saving function: A-Automatic power off if no button pushed in 2 minutes under pause status B-Automatic power off in 2 minutes when all tracks played 9. Color: Black/silver/white/green/blue/yellow/pink 10. Packing: 1pc/gift box. 50pcs/carton. Carton size: 52.5*39. 5*46.8CM. G. W/N. W: 13KG/11.5KG