LOGITECH K580 Slim Multi-Device Wireless Keyboard Chrome OS Edition

Ultra-slim, compact, and quiet keyboard for computers, phones or tablets with a special Chrome OS layout. Cable Free setup. You can connect via Bluetooth® wireless technology and/or the 2.4 GHz USB receiver stored in the battery door. Wireless connection with a 10m range2Wireless range may vary based on environmental and computing conditions.  Includes: Keyboard 2 AAA batteries (pre-installed) Unifying USB receiver User documentation Technical Specs Battery life Keyboard: 24 months Battery type: 2AAA (included) Wireless operating distance: 393.7 in (10m) 4Wireless range may vary due to environmental and computing condition. Wireless technology: Logitech Unifying Receiver or Bluetooth low energy technology Unifying ready receiver: Yes