HP Wireless Keyboard & Mouse 300 PC Accessories Bundle with Gel Pads & Mini Bluetooth Speaker is made to maximize your computer productivity & sound quality during work, school, vacation, or travel. HP Wireless Keyboard & Mouse 300 Specifications: USB Type-A Wireless Nano Receiver Compatible Operating Systems: Windows 8; Windows 10 Dimensions (W X D X H): 18.31 x 6.89 x 1.42 in (keyboard); 3.75 x 2.29 x 1.42 in (mouse) Battery Requirements: 2 AAA batteries (keyboard); 2 AAA batteries (mouse) Included Accessories: Mini speaker for sound anywhere; Gel wrist support & mouse pads for ergonomic comfort while you work Speaker Features: Bluetooth pairing with smartphones, tablets, laptops, & other Bluetooth devices Magnetic base for easy placement on metal surfaces Lightweight & compact Long battery life with 4 hours active playback time Remote selfies Mic for hands-free calling & voice commands from paired smartphone or smart device Stylish designs & colors to choose from