Battery type: Li-polymer Capacity: 600 mAh Voltage: 3.7 V Energy: 2.2 Wh Dimensions (L x W x H): 4 x 2.4 x 0.5 cm Number of cells: 1 Weight: 10 g Compatible with the following device models: Sennheiser HD 4.40 BT Sennheiser HD 4.50 BTNC Sennheiser Urbanite XL Sennheiser Momentum 2.0 Sennheiser Momentum 3.0 Sennheiser Momentum XL To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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