Features:Speaker diameter: 40mmSensitivity: 103dB/MWImpendence: 32ohm/kHzFrequency range: 20 - 20,000HzMicrophone: 9 x 7-58dB±2Cord length: 2.5mPower: 100MWWeight: 320g

Features:Speaker diameter: 40mmSensitivity: 103dB/MWImpendence: 32ohm/kHzFrequency range: 20 - 20,000HzMicrophone: 9 x 7-58dB±2Cord length: 2.5mPower: 90MW

Features:Speaker diameter: 30mmSensitivity: 101dB/MWImpendence: 32ohm/kHzFrequency range: 100 - 15,000HzMicrophone: 6 x 5-58dB±2Cord length: 1.8mPower: 100MWWeight: 125g

Features:Keyboard whit 12 hot keysHigh quality membrane tactile key switch availableProvides three ACPI power management keys

Features:Computer keyboard with 1.3D wireless optical mouseDual PS/2 connector, rechargeble receiverOperating effective distance: 1.5m

Features:Keyboard whit 12 hot keysHigh quality membrane tactile key switch availableProvides three ACPI power management keys

Features:Computer keyboard with 1.3D wireless optical mouseDual PS/2 connector, rechargeble receiverOperating effective distance: 1.5m

Features:Keyboard whit 1.19 hot keysPS/2 or USB connectorErgonomic designCompatible with windows 98/ME/2000/NT/XP

Optical mouse with lights and many different colors available upon request.