Item No.: CS-SXB650SLType: Li-PolymerCapacity: 550mAh / 2.04WhVoltage: 3.7vColor: BlackDimensions: 52.35 x 34.10 x 3.20mmEAN Code: 4894128140887Net Weight: 11.5g / 0.41ozGross Weight: 37.0g / 1.31ozFit ModelSony audifono : MDR-XB950BT MDR-XB950B1 MDR-XB650BT MDR-DS6500MDR-RF985R MDR-ZX330Sony MP3: NWZ-E464 NWZ-S764 NWZ-E463 NW-A25 NW-A26 NW-A27Part NumberSony1-756-920-311-756-920-32LIS1427HEPCCLIS1427HNPCS1-756-920-21