EWI N keyboard and silver wireless optical mouse, 2.4GHz, Bluetooth connection, with ON/OFF switch. - EWiN keyboard white, without 10-key Model name: Wireless optical mouse - Color: Silver - Connection method: Bluetooth - Power switch: ON/OFF switch - Included items: Instruction manual The batteries in the photo are not included; they are for the photo only. Purchased about three years ago, used for about 4 hours. Fully functional. Thank you. Please contact me via email if you have any questions. Thank you for viewing. Thank you for reading to the end.