Optical wired gaming mouse: USB connection Plug & Play 1,45m cable Resolution :1600 dpi Backlight 3 colors breathing Dimensions: 13 X 7,2 X 3 cm Compatible with: Windows 98/2000/XP/Vista/7/8/10/MAC Gaming headphones: Cable length: 2.1+-0.5 cm Sensitivity of microphone: -38+-3qb Impedance: <=32Ω With microphone Max power: 150MV Connectivity: 2 X 3.5mm Frequency response: 15Hz-25kHz Net weight: 250gr Gaming mousepad: Material: Rubber and cloth Dimensions: 30 X 25 X 0,2 cm Wired gaming keyboard: USB connection Plug & Play 1.5m+-3 cm cable 104 keys Backlight 3 colors breathing Dimensions: 44,5 X 14 X 3,5 cm Compatible with: Windows 98/2000/XP/Vista/7/8/10/MAC Material: ABS plastic top cover and metal bottom cover Key strength: 55+-7g Key stroke: 4.5+-0.4mm Key work life using high-life liquid silicone key life 3 million times