Model: Rapoo SE8 - Color: Black + silver - Transmitter: 5V/125mA - Transmitter interface: 3.5mm or RCA audio port without MIC - Receiver: 5V/60mA - Receiver frequency response: 20HZ-20KHZ - Receiver SNR: 96dB - Carrier frequency: - Working voltage: DC5V - Package includes: 2400MHZ-2483.5MZ - Modulation mode: GFSK - 10m distance wireless free transmission - OS required: Windows XP Windows Vista Windows 7 Mac OS X/Linux - Package includes: - 2 x 3.5mm audio cable - 2 x RCA audio cable - 2 x Power adapter (2-flat-pin plug/AC 100-240v) - 1 x Chinese manual - 1 x Guarantee card