Technical Details Brand ?Live Tech Manufacturer ?Shenzhen Global Import Export Co., Ltd, SHENZHEN GLOBAL CO IMPORT AND EXPORT Product Dimensions ?1.2 x 1.2 x 1.2 cm; 50 g Operating System ?Windows 10 Hardware Interface ?Bluetooth, USB Compatible Devices ?Laptop, Desktop Number of items ?1 Batteries Required ?No Data Link Protocol ?Bluetooth, USB Manufacturer ?Shenzhen Global Import Export Co., Ltd Item Weight ?50 g