Welcome To The MRDZKJ Store^ω^ 😘 Happy Shopping!!! 100% brand new and high product quality！ Size Height: 138.47 mm Width: 321.2 mm Depth: 35.4 mm Weight (with battery): 779 g System Requirements Bluetooth low energy wireless technology Requirements: Bluetooth Low Energy Windows® 10, 11 or later macOS 10.15 or later Emoji keys and software are not supported on iPadOS 13.4 or later 5 Emoji keys and software are not supported on iOS 11 or later 6 Chrome OS™ 7 does not support emoji keys and software Emoji keys and software are not supported on Android 8 or higher Logi Bolt USB Receiver Requirements: Available USB port Windows® 10, 11 or later macOS 10.15 or later Chrome OS™ 9 does not support emoji keys and software Technical Specifications Connection Type: Bluetooth™ Low Energy Wireless (Bluetooth 5.1) Wireless range: 10 meters Mechanical key shaft (brown shaft, paragraph) software support Logi Options+ for Windows 10 or later Logi Options+ for macOS 10.8 or later Battery: 2 AAA batteries Battery life: 36 months 10Battery life varies depending on usage and computing conditions. Indicator Lights (LEDs): Battery LED, 3 Bluetooth™ Channel LEDs, Caps lock LED Special keys: 12 FN shortcuts, including media keys, speech-to-text, mic mute, screenshots Available, currently only available in some languages ​​and regions. Learn more: logitech.com/suppport/OSdictation 3-Channel Easy-Switch™ 4 emoji shortcut keys (+4 additional emoji keys to replace), 1 emoji menu key Power switch with power saving technology Package Contents keyboard 2 AAA batteries (pre-installed) Logitech Bolt USB Receiver 4 additional emoji keys user documentation Warranty Information 1 Year Limited Hardware Warranty Part Number Thermal Yellow: 920-010323 Dream Color: 920-010324 Electromagic Powder: 920-010325 Electromagic Powder Swiss (Qwertz): 920-010822 Note: 📣For more inquiries about our product, you may contact us. ✈️Processing Takes 1-2 Days and Delivery Needs 2-4 Days.We will ship as soon as possible. 🎖Please leave us a positive feedback of 5 🌟 if you are satisfied with our product.💯 customer satisfaction is our goal. 🔑Please do not give bad reviews, any problem can be solved by us. ✨Share to social media or repeat purchases will get exclusive coupons.