Keyboard Logitech Pebble 2 Combo Graphite

Quick overview from the supplier:

Wireless Keyboard & Mouse Logitech Pebble 2 Combo, Compact, Low-profile, Multi-Device, 4000dpi, 3 buttons, 2xAAA/1xAA, 2.4Ghz+BT, EN/RU, Graphite . PN 920-012239RUS Specs & Details Dimensions Mouse Height 4.20 in (106.7 mm) Width 2.31 in (58.7 mm) Depth 1.05 in (26.62 mm) Weight (including battery) 2.68 oz (76 g) Keyboard Height 4.88 in (124 mm) Width 10.98 in (279 mm) Depth 0.63 in (16 mm) Weight (including batteries) 14.64 oz (415 g) Technical Specifications Special features Slim, lightweight, minimalist design made with recycled plastic Pebble Keys 2 K380s minimum 49% recycled plastic and Pebble Mouse 2 M350s minimum 58% recycled plastic, excluding plastic in printed wiring assembly (PWA) and packaging. Multi-device pairing (up to 3 devices) Customizable middle button and 10 Fn shortcut keys with Logi Options+ App  Silent clicks with Silent Touch Technology Comfy and quiet laptop-like typing with scooped, low-profile keys Keyboard Features Special Keys Show desktop, search, back, voice dictation, emoji menu, screen capture Customisable keys via Logi Options+ App  Mouse Features Number of Buttons 3 (Left/Right-click, Scroll-wheel with middle click) Customizable button with Logi Options+ App 1 (scroll wheel with middle click) Sensor Technology High-precision optical tracking DPI range 400-4000 dpi (fully adjustable with 100 dpi increments) Nominal value 1000 dpi Customization app Supported by Logi Options+ App on Windows and macOS Connectivity Connection Type Bluetooth Low Energy technology or Logi Bolt USB receiver (included) Connection type support Compatible with Logi Bolt USB receiver (included). Wireless range 32.8 ft (10 m) Battery Keyboard 2 x AAA (Alkaline Battery); On/off power button Mouse 1 x AA battery (Alkaline Battery); On/off power button Battery life Keyboard 36 months Mouse 24 months Connect / Power On/Off Switch Indicator Lights Keyboard Battery LED and 3 Easy-Switch Bluetooth channels. Mouse 3 Easy-Switch Bluetooth channels.