Оригинал. Работает, в наличии несколько штук.
Продается Универсальный USB ресивер Unifying для совместимой техники Logitech. Пpeднaзначен для использовaния с мышью или клaвиaтурой, пoддерживaющей тeхнологию Unifying.

Compatible with the following Logitech mice: MX Master 2S, MX Anywhere 2S, MX Master, MX Anywhere 2, MX Performance, MX Anywhere, M720 Triathlon Multi-Device Mouse, M705 Marathon Mouse, Wireless Mouse M585 Multi-Device, Wireless Trackball M570, M545 Wireless Mouse, M525 Wireless Mouse, M510 Wireless Mouse, M325/M325c Wireless Mouse, M310 Wireless Mouse, M317 Wireless Mouse (M317c is not compatible), M187 Ultra-Portable Compatible keyboards and combos: Illuminated Living-Room Keyboard K830, Wireless Illuminated Keyboard K800, K780 Multi-Device Wireless Keyboard, Wireless Solar Keyboard K750, Wireless Solar Keyboard K750 for Mac, Wireless Touch Keyboard k400 Plus, K400 Professional Wireless Touch Keyboard, Wireless Touch Keyboard k400, K375s Multi-Device Wireless Keyboard and Stand Combo, K360 Compact and slim wireless keyboard, K350 COMFORT WAVE, K270 Full-size wireless keyboard, Wireless Performance Combo MX800, MK850 Performance Wireless Keyboard and Mouse Combo, Wireless Solar Keyboard and Mouse MK750, Wireless Desktop MK710, MK570 COMFORT WAVE, MK550 COMFORT WAVE, MK530 ADVANCED, MK520 ADVANCED, MK360 Compact and slim wireless combo, MK335 Wireless Keyboard and Mouse Combo, Wireless Combo MK320

стик / srick
донгл / dongle
для мышек, клавиатур
адаптер для привязки клавиатуры и мышки USB logitech