Voltage: 3.7 V Energy: 1.67 Wh Number of cells: 1 Dimensions (L x W x H): 3.6 x 2.4 x 0.6 cm Weight: 9 g Compatible with the following device models: Logitech 910-004362 Logitech 910-004374 Logitech M-RO052 Logitech MX Anywhere 2 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
eBay