Battery type: Li-polymer Capacity: 350 mAh Voltage: 3.7 V Energy: 1.3 Wh Colour: black Dimensions (L x W x H): 2.8 x 2.7 x 0.6 cm Number of cells: 1 Weight: 8 g Compatible with the following device models: Sennheiser GSP 350 Sennheiser GSP 670 Sennheiser GSP 500 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Sennheiser AHB552826TPC-2 .
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