Battery type: NiMH Capacity: 60 mAh Voltage: 2.4 V Energy: 0.14 Wh Dimensions (L x W x H): 3.5 x 2.1 x 1.4 cm Number of cells: 2 Compatible with the following device models: Sennheiser RI 50 Sennheiser RI 500 Sennheiser RI 810 Sennheiser RI 810 S Sennheiser RI 55 Sennheiser RR 2400 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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