Product Name: MP3 Battery Pack Model Number: APPLE IPOD 4th Place of Origin: China Brand Name: Jingyou Quality/Safety Certifications: CE, ISO9001 Supply Ability: 10,000pcs/day Features: 1) Capacity: 750mAh 2) Life cycles: 300-500times 3) At full charge, this MP3 battery pack increases the standby time available before recharging 4) Our battery packs have multiple protection effect, avoid over-charge and over-discharge etc 5) Safe, satisfying and environment friendly Packing: blister and protector