If you are looking for a professional and cordless keyboard mouse combo, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Black -Material: ABS -Size: 36.80X14.30X2.63cm/14.46X5.62X1.03in - Simple and elegant appearance, handy keyboard mouse combo for home, office, and game fierce battles. - connection, 10 meters transmitting distance, no more tangled cables. - Scissor key can provide a smooth and silent typing experience. - 800/1200/1600 DPI adjustable design, can fit for different work or gaming needs. - It is manufactured with professional technology to ensure the of the product and can work for a long time. Specification Keyboard: - carrier frequency: 2402MHz-2480MHz - Working frequency: 16, automatic frequency hopping - Rated working current of keyboard: 28mA/3V - system: optical - Resolution: 1000DPI - Battery: 1 x AAA (not included) Mouse: - Rated working voltage of mouse: 1.5-3V - Rated working current of the mouse: 10-15mA - Mouse resolution: 800-1200DPI - working channels: 16, automatic frequency hopping - working frequency: 2.402-2.480GHz - transmission rate: 1-2M - The maximum effective distance: 6-10 meters - : 28 inches per second - Photo processing: 3000 - Mouse button life: 3 to 5 million times - Working temperature: -15 degree centigrade to 60 degree centigrade - Battery: 2 x AAA (not included) Package list: 1 x keyboard 1 x mouse 1 x USB receiver 1 x Manual