Compatible Devices: Laptop Connectivity Technology: Bluetooth Keyboard Description: Numeric Colour: Titan GreyAbout this itemDevice Type: KEYBOARDInterface: 2.4 GHz, BlUETOOTH 5.0Hot Keys Function: MUTE, VOLUME -, VOLUME +Localization and Layout: QWERTY US ENGLISHKeyboard Technology: SCISSORSTechnical DetailsBrand‎DellManufacturer‎Dell, Indicative list. Subject to change 1. QISDA: 168 Zhu Jiang Road, New District, Suzhou, China 2. WISTRON: No. 23, Wugui Road, Tsuihang New District, Zhongshan, Guangdong, P.R. China. 3. TARGUS: Jinjiang Road , Nancun Town Panyu Guangzhou China 511442 4. KORRUN: Anhui Korrun Incorporated Company: No. 1555 Tongle Road, Development Zone, Chuzhou City, Anhui Province, 239000. 5. SIMPLO TECHNOLOGY CO. LTD: Simplo Technology (Chong Qing) INC, Street No-02, Zongbao Avenue, Chong Qing, China-400000. 6. BYD LITHIUM BATTERY CO. LTD: Street No.3001, Longgang Street, Shenzhen, Guangdong, China-518100Colour‎Titan GreyItem Height‎25 MillimetersItem Width‎43.3 CentimetersProduct Dimensions‎12.2 x 43.3 x 2.5 cm; 506 GramsBatteries‎2 AA batteries required. (included)Power Source‎Battery PoweredAre Batteries Included‎YesLithium Battery Energy Content‎2.6 Milliamp Hours (mAh)Number of Lithium Ion Cells‎2Manufacturer‎DellCountry of Origin‎China