Brand Name: LOGITECH Model No: K375S Logitech Unifying protocol (2.4GHz) Bluetooth Smart technology Wireless Range: 33 ft / 10 m wireless range4 Wireless encryption: Yes4 Battery Indicator Light: Yes Battery: 2 x AAA 1-year Limited hardware warranty **SPECIFICATIONS** DIMENSIONS Height x Width x Depth: 0.81 in (20.5 mm) x 17.15 in (435.5 mm) x 5.41 in (137.5 mm) Weight: 2.0 lb (475 g) with 2x AAA batteries Weight: 15.0 oz (425 g) without batteries SYSTEM REQUIREMENTS Computers, phones, and tablets that support external keyboards (HID profile) Windows® 7, Windows 8, Windows 10 or later Android 5.0 Mac OS X® 10.10 or later iOS 5 or later Chrome OS™ USB connection: available USB port required. Bluetooth connection: Bluetooth Smart ready device with keyboard support required (Bluetooth HID). TECHNICAL SPECIFICATIONS Connection Type: Logitech Unifying protocol (2.4GHz) Bluetooth Smart technology Wireless Range: 33 ft / 10 m wireless range4 Wireless encryption: Yes4 Software Support: Logitech Options for Mac (OS X 10.8 and above) Logitech Options for Windows (Windows 7, Windows 8, Windows 10 and above) Logitech Flow Indicator Lights (LED): 3 Bluetooth channel LEDs Battery Indicator Light: Yes Battery: 2 x AAA Battery Life (not rechargeable): 24 months3b Connect/Power: On/Off Switch PACKAGE CONTENTS Keyboard Universal stand 2 AAA batteries USB receiver User documentation WARRANTY INFORMATION 1-Year Limited Hardware Warranty Brand Logitech SKU LO618EL0F86KGNAFAMZ-96971 Model K375S