Brand: LogitechModel: Signature K650 full-size wireless standard keyboard with integrated palm rest.Color: Gray with matching low-profile keycaps and palm rest.Connection: Dual-mode wireless via Logi Bolt USB receiver or Bluetooth (icons on receiver and underside label).Keyboard layout: English QWERTY layout with full numeric keypad, arrow keys, navigation cluster, and function key row.Keyboard language: English key legends with Windows and macOS modifier labels (cmd, opt, alt, start) for multi-OS use.Features: Quiet low-profile keys, integrated palm rest for typing comfort, dedicated media and volume controls, plus shortcut keys for functions such as calculator and screen lock.Model and regulatory information on underside label: K650, M/N YR0071, IC 4418A-YR0071, FCC ID JNZYR0071, rating 3V 75mA, made in Vietnam; P/N 920-012143 is printed inside the battery compartment.Power: Uses AA batteries installed in the rear battery compartment (batteries are not included).Included in this listing: Logitech Signature K650 wireless keyboard, Logi Bolt USB receiver stored in the battery bay, cardboard tray, quick-start insert, and original retail box as shown in the photos.Special notes: Underside and box labels show safety, regulatory, and compatibility icons; please refer to photos for exact markings and supported operating systems.