Brand Cameron Sino Type MP3, MP4, PMP Battery Voltage 3.7V Chemical Composition Li-Polymer Amp Hours 100mAh Battery Size 22.50 x 22.50 x 3.30mm Country/Region of Manufacture China Manufacturer Warranty 1 year Model Apple iPOD Shuffle G2 1GB,iPOD Shuffle G3 MPN 616-0274,616-0278 UPC 753070666330 MPN 616-0274,616-0278 .